135042321402 has 24 divisors (see below), whose sum is σ = 292599069984. Its totient is φ = 45012972744.

The previous prime is 135042321391. The next prime is 135042321433. The reversal of 135042321402 is 204123240531.

135042321402 is a `hidden beast` number, since 13 + 504 + 2 + 3 + 2 + 140 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 953733 + ... + 1086135.

It is an arithmetic number, because the mean of its divisors is an integer number (12191627916).

Almost surely, 2^135042321402 is an apocalyptic number.

135042321402 is an abundant number, since it is smaller than the sum of its proper divisors (157556748582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135042321402 is a wasteful number, since it uses less digits than its factorization.

135042321402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189074 (or 189071 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 135042321402 its reverse (204123240531), we get a palindrome (339165561933).

The spelling of 135042321402 in words is "one hundred thirty-five billion, forty-two million, three hundred twenty-one thousand, four hundred two".