142137830406 has 32 divisors (see below), whose sum is σ = 333974204928. Its totient is φ = 39758833440.

The previous prime is 142137830353. The next prime is 142137830407. The reversal of 142137830406 is 604038731241.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142137830407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82830046 + ... + 82831761.

It is an arithmetic number, because the mean of its divisors is an integer number (10436693904).

Almost surely, 2^142137830406 is an apocalyptic number.

142137830406 is an abundant number, since it is smaller than the sum of its proper divisors (191836374522).

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

142137830406 is a wasteful number, since it uses less digits than its factorization.

142137830406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165661836.

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 142137830406 in words is "one hundred forty-two billion, one hundred thirty-seven million, eight hundred thirty thousand, four hundred six".