1520764142 has 16 divisors (see below), whose sum is σ = 2402361600. Its totient is φ = 720015480.

The previous prime is 1520764079. The next prime is 1520764177. The reversal of 1520764142 is 2414670251.

It is a junction number, because it is equal to n+sod(n) for n = 1520764099 and 1520764108.

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, 81659 + ... + 98537.

It is an arithmetic number, because the mean of its divisors is an integer number (150147600).

Almost surely, 2^1520764142 is an apocalyptic number.

1520764142 is a deficient number, since it is larger than the sum of its proper divisors (881597458).

1520764142 is a wasteful number, since it uses less digits than its factorization.

1520764142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19271.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 1520764142 is about 38996.9760622539. The cubic root of 1520764142 is about 1149.9720577962.

The spelling of 1520764142 in words is "one billion, five hundred twenty million, seven hundred sixty-four thousand, one hundred forty-two".