142899135031 has 8 divisors (see below), whose sum is σ = 145307512224. Its totient is φ = 140492879520.

The previous prime is 142899135019. The next prime is 142899135059. The reversal of 142899135031 is 130531998241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142899135031 - 2⁵ = 142899134999 is a prime.

It is a super-2 number, since 2×142899135031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142899133031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394291 + ... + 664276.

It is an arithmetic number, because the mean of its divisors is an integer number (18163439028).

Almost surely, 2^142899135031 is an apocalyptic number.

142899135031 is a deficient number, since it is larger than the sum of its proper divisors (2408377193).

142899135031 is a wasteful number, since it uses less digits than its factorization.

142899135031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060841.

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 142899135031 in words is "one hundred forty-two billion, eight hundred ninety-nine million, one hundred thirty-five thousand, thirty-one".