1387265708 has 12 divisors (see below), whose sum is σ = 2428440672. Its totient is φ = 693425520.

The previous prime is 1387265707. The next prime is 1387265729. The reversal of 1387265708 is 8075627831.

It is a happy number.

It is a super-2 number, since 2×1387265708² = 3849012289185482528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1387265707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36260 + ... + 63947.

It is an arithmetic number, because the mean of its divisors is an integer number (202370056).

Almost surely, 2^1387265708 is an apocalyptic number.

It is an amenable number.

1387265708 is a deficient number, since it is larger than the sum of its proper divisors (1041174964).

1387265708 is a wasteful number, since it uses less digits than its factorization.

1387265708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103672 (or 103670 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 47.

The square root of 1387265708 is about 37246.0160017149. The cubic root of 1387265708 is about 1115.2867697304.

The spelling of 1387265708 in words is "one billion, three hundred eighty-seven million, two hundred sixty-five thousand, seven hundred eight".