135402915 has 16 divisors (see below), whose sum is σ = 221683968. Its totient is φ = 70535136.

The previous prime is 135402901. The next prime is 135402929. The reversal of 135402915 is 519204531.

It is an interprime number because it is at equal distance from previous prime (135402901) and next prime (135402929).

It is not a de Polignac number, because 135402915 - 2⁴ = 135402899 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104319 + ... + 105608.

It is an arithmetic number, because the mean of its divisors is an integer number (13855248).

Almost surely, 2^135402915 is an apocalyptic number.

135402915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135402915 is a deficient number, since it is larger than the sum of its proper divisors (86281053).

135402915 is a wasteful number, since it uses less digits than its factorization.

135402915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209978.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 135402915 is about 11636.2758217567. The cubic root of 135402915 is about 513.5026289399.

The spelling of 135402915 in words is "one hundred thirty-five million, four hundred two thousand, nine hundred fifteen".