1374887520 has 120 divisors (see below), whose sum is σ = 4852252944. Its totient is φ = 366633216.

The previous prime is 1374887513. The next prime is 1374887531. The reversal of 1374887520 is 257884731.

1374887520 is a `hidden beast` number, since 1 + 3 + 7 + 48 + 87 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 40084 + ... + 66003.

Almost surely, 2^1374887520 is an apocalyptic number.

1374887520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1374887520 is an abundant number, since it is smaller than the sum of its proper divisors (3477365424).

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

1374887520 is a wasteful number, since it uses less digits than its factorization.

1374887520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106114 (or 106097 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 1374887520 is about 37079.4757244490. The cubic root of 1374887520 is about 1111.9597228480.

The spelling of 1374887520 in words is "one billion, three hundred seventy-four million, eight hundred eighty-seven thousand, five hundred twenty".