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135470790 = 2325721317139
BaseRepresentation
bin10000001001100…
…01111011000110
3100102220121222200
420010301323012
5234140031130
621235335330
73233324400
oct1004617306
9312817880
10135470790
116a519234
1239451546
13220b2940
1413dc5b70
15bd5e760
hex8131ec6

135470790 has 288 divisors, whose sum is σ = 470564640. Its totient is φ = 26707968.

The previous prime is 135470789. The next prime is 135470791. The reversal of 135470790 is 97074531.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (135470789) and next prime (135470791).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135470791) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 974541 + ... + 974679.

It is an arithmetic number, because the mean of its divisors is an integer number (1633905).

Almost surely, 2135470790 is an apocalyptic number.

135470790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 135470790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235282320).

135470790 is an abundant number, since it is smaller than the sum of its proper divisors (335093850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135470790 is a wasteful number, since it uses less digits than its factorization.

135470790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 135470790 is about 11639.1919822641. The cubic root of 135470790 is about 513.5884177593.

The spelling of 135470790 in words is "one hundred thirty-five million, four hundred seventy thousand, seven hundred ninety".