39015953142 has 32 divisors (see below), whose sum is σ = 82444262400. Its totient is φ = 12275015328.

The previous prime is 39015953131. The next prime is 39015953159. The reversal of 39015953142 is 24135951093.

It is a junction number, because it is equal to n+sod(n) for n = 39015953094 and 39015953103.

It is a congruent number.

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, 605478 + ... + 666809.

It is an arithmetic number, because the mean of its divisors is an integer number (2576383200).

Almost surely, 2^39015953142 is an apocalyptic number.

39015953142 is an abundant number, since it is smaller than the sum of its proper divisors (43428309258).

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

39015953142 is a wasteful number, since it uses less digits than its factorization.

39015953142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272580.

The product of its (nonzero) digits is 145800, while the sum is 42.

The spelling of 39015953142 in words is "thirty-nine billion, fifteen million, nine hundred fifty-three thousand, one hundred forty-two".