134205253142142 has 48 divisors (see below), whose sum is σ = 332166509907840. Its totient is φ = 35394792035616.

The previous prime is 134205253142131. The next prime is 134205253142159. The reversal of 134205253142142 is 241241352502431.

It is a super-2 number, since 2×134205253142142² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 134205253142142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9453730092 + ... + 9453744287.

It is an arithmetic number, because the mean of its divisors is an integer number (6920135623080).

Almost surely, 2^{134205253142142} is an apocalyptic number.

134205253142142 is an abundant number, since it is smaller than the sum of its proper divisors (197961256765698).

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

134205253142142 is a wasteful number, since it uses less digits than its factorization.

134205253142142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18907474417 (or 18907474404 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 134205253142142 in words is "one hundred thirty-four trillion, two hundred five billion, two hundred fifty-three million, one hundred forty-two thousand, one hundred forty-two".