202434742134 has 32 divisors (see below), whose sum is σ = 452720319840. Its totient is φ = 67048446816.

The previous prime is 202434742123. The next prime is 202434742157. The reversal of 202434742134 is 431247434202.

202434742134 is a `hidden beast` number, since 2 + 0 + 2 + 434 + 7 + 4 + 213 + 4 = 666.

It is a congruent number.

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, 11930349 + ... + 11947304.

It is an arithmetic number, because the mean of its divisors is an integer number (14147509995).

Almost surely, 2^202434742134 is an apocalyptic number.

202434742134 is an abundant number, since it is smaller than the sum of its proper divisors (250285577706).

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

202434742134 is a wasteful number, since it uses less digits than its factorization.

202434742134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23877821 (or 23877815 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 36.

The spelling of 202434742134 in words is "two hundred two billion, four hundred thirty-four million, seven hundred forty-two thousand, one hundred thirty-four".