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135795909 = 3149930197
BaseRepresentation
bin10000001100000…
…01010011000101
3100110112010222010
420012001103011
5234230432114
621250324433
73236150304
oct1006012305
9313463863
10135795909
116a720527
1239589719
1322197912
141406c43b
15bdc5c59
hex81814c5

135795909 has 8 divisors (see below), whose sum is σ = 181188000. Its totient is φ = 90467216.

The previous prime is 135795899. The next prime is 135795929. The reversal of 135795909 is 909597531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135795909 - 221 = 133698757 is a prime.

It is a super-2 number, since 2×1357959092 = 36881057802272562, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135795929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10602 + ... + 19595.

It is an arithmetic number, because the mean of its divisors is an integer number (22648500).

Almost surely, 2135795909 is an apocalyptic number.

It is an amenable number.

135795909 is a deficient number, since it is larger than the sum of its proper divisors (45392091).

135795909 is a wasteful number, since it uses less digits than its factorization.

135795909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31699.

The product of its (nonzero) digits is 382725, while the sum is 48.

The square root of 135795909 is about 11653.1501749527. The cubic root of 135795909 is about 513.9989464871.

The spelling of 135795909 in words is "one hundred thirty-five million, seven hundred ninety-five thousand, nine hundred nine".

Divisors: 1 3 1499 4497 30197 90591 45265303 135795909