142078031398 has 16 divisors (see below), whose sum is σ = 221870166480. Its totient is φ = 68152514976.

The previous prime is 142078031387. The next prime is 142078031441. The reversal of 142078031398 is 893130870241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7792236 + ... + 7810447.

It is an arithmetic number, because the mean of its divisors is an integer number (13866885405).

Almost surely, 2^142078031398 is an apocalyptic number.

142078031398 is a deficient number, since it is larger than the sum of its proper divisors (79792135082).

142078031398 is a wasteful number, since it uses less digits than its factorization.

142078031398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15602871.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 142078031398 in words is "one hundred forty-two billion, seventy-eight million, thirty-one thousand, three hundred ninety-eight".