135902344 has 8 divisors (see below), whose sum is σ = 254816910. Its totient is φ = 67951168.

The previous prime is 135902321. The next prime is 135902363. The reversal of 135902344 is 443209531.

It can be written as a sum of positive squares in only one way, i.e., 115992900 + 19909444 = 10770^2 + 4462^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8493889 + ... + 8493904.

Almost surely, 2^135902344 is an apocalyptic number.

It is an amenable number.

135902344 is a deficient number, since it is larger than the sum of its proper divisors (118914566).

135902344 is a wasteful number, since it uses less digits than its factorization.

135902344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16987799 (or 16987795 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 135902344 is about 11657.7160713409. The cubic root of 135902344 is about 514.1331998960.

The spelling of 135902344 in words is "one hundred thirty-five million, nine hundred two thousand, three hundred forty-four".