135902739 has 16 divisors (see below), whose sum is σ = 212688128. Its totient is φ = 75559392.

The previous prime is 135902737. The next prime is 135902749. The reversal of 135902739 is 937209531.

It is not a de Polignac number, because 135902739 - 2¹ = 135902737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135902697 and 135902706.

It is not an unprimeable number, because it can be changed into a prime (135902737) 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, 86677 + ... + 88230.

It is an arithmetic number, because the mean of its divisors is an integer number (13293008).

Almost surely, 2^135902739 is an apocalyptic number.

135902739 is a deficient number, since it is larger than the sum of its proper divisors (76785389).

135902739 is a wasteful number, since it uses less digits than its factorization.

135902739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174954.

The product of its (nonzero) digits is 51030, while the sum is 39.

The square root of 135902739 is about 11657.7330128975. The cubic root of 135902739 is about 514.1336980047.

The spelling of 135902739 in words is "one hundred thirty-five million, nine hundred two thousand, seven hundred thirty-nine".