1387368960 has 80 divisors (see below), whose sum is σ = 4435269696. Its totient is φ = 369963008.

The previous prime is 1387368953. The next prime is 1387368967. The reversal of 1387368960 is 698637831.

It is an interprime number because it is at equal distance from previous prime (1387368953) and next prime (1387368967).

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (1387368967) 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, 82644 + ... + 98003.

Almost surely, 2^1387368960 is an apocalyptic number.

1387368960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1387368960 is an abundant number, since it is smaller than the sum of its proper divisors (3047900736).

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

1387368960 is an equidigital number, since it uses as much as digits as its factorization.

1387368960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180673 (or 180657 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 51.

The square root of 1387368960 is about 37247.4020570563. The cubic root of 1387368960 is about 1115.3144387227.

It can be divided in two parts, 138736 and 8960, that added together give a triangular number (147696 = T₅₄₃).

The spelling of 1387368960 in words is "one billion, three hundred eighty-seven million, three hundred sixty-eight thousand, nine hundred sixty".