142959138408 has 64 divisors (see below), whose sum is σ = 397182004800. Its totient is φ = 47644251840.

The previous prime is 142959138397. The next prime is 142959138431. The reversal of 142959138408 is 804831959241.

It is a happy number.

142959138408 is a `hidden beast` number, since 1 + 4 + 2 + 9 + 591 + 3 + 8 + 40 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 1169298 + ... + 1285758.

It is an arithmetic number, because the mean of its divisors is an integer number (6205968825).

Almost surely, 2^142959138408 is an apocalyptic number.

142959138408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

142959138408 is an abundant number, since it is smaller than the sum of its proper divisors (254222866392).

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

142959138408 is a wasteful number, since it uses less digits than its factorization.

142959138408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122159 (or 122149 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The spelling of 142959138408 in words is "one hundred forty-two billion, nine hundred fifty-nine million, one hundred thirty-eight thousand, four hundred eight".