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135148039 = 1353732687
BaseRepresentation
bin10000000111000…
…11001000000111
3100102022020020221
420003203020013
5234044214124
621224405211
73230511415
oct1003431007
9312266227
10135148039
116a3187a4
1239316807
1321ccba70
1413d402b5
15bce8ce4
hex80e3207

135148039 has 16 divisors (see below), whose sum is σ = 150377472. Its totient is φ = 120676608.

The previous prime is 135148037. The next prime is 135148049. The reversal of 135148039 is 930841531.

It is not a de Polignac number, because 135148039 - 21 = 135148037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135147995 and 135148013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135148037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48954 + ... + 51640.

It is an arithmetic number, because the mean of its divisors is an integer number (9398592).

Almost surely, 2135148039 is an apocalyptic number.

135148039 is a deficient number, since it is larger than the sum of its proper divisors (15229433).

135148039 is a wasteful number, since it uses less digits than its factorization.

135148039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2826.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 135148039 is about 11625.3188773470. The cubic root of 135148039 is about 513.1802289323.

The spelling of 135148039 in words is "one hundred thirty-five million, one hundred forty-eight thousand, thirty-nine".

Divisors: 1 13 53 73 689 949 2687 3869 34931 50297 142411 196151 1851343 2549963 10396003 135148039