135602051 has 12 divisors (see below), whose sum is σ = 147237408. Its totient is φ = 124828704.

The previous prime is 135602021. The next prime is 135602059. The reversal of 135602051 is 150206531.

It is a de Polignac number, because none of the positive numbers 2^k-135602051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135602059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77381 + ... + 79113.

It is an arithmetic number, because the mean of its divisors is an integer number (12269784).

Almost surely, 2^135602051 is an apocalyptic number.

135602051 is a deficient number, since it is larger than the sum of its proper divisors (11635357).

135602051 is a wasteful number, since it uses less digits than its factorization.

135602051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222 (or 2209 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 135602051 is about 11644.8293675777. The cubic root of 135602051 is about 513.7542403890.

Adding to 135602051 its reverse (150206531), we get a palindrome (285808582).

The spelling of 135602051 in words is "one hundred thirty-five million, six hundred two thousand, fifty-one".