1387736264892 has 24 divisors (see below), whose sum is σ = 3241966726656. Its totient is φ = 462019406128.

The previous prime is 1387736264891. The next prime is 1387736264897. The reversal of 1387736264892 is 2984626377831.

It is a hoax number, since the sum of its digits (66) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1387736264891) 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, 69908268 + ... + 69928115.

It is an arithmetic number, because the mean of its divisors is an integer number (135081946944).

Almost surely, 2^{1387736264892} is an apocalyptic number.

1387736264892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1387736264892 is an abundant number, since it is smaller than the sum of its proper divisors (1854230461764).

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

1387736264892 is a wasteful number, since it uses less digits than its factorization.

1387736264892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139837217 (or 139837215 counting only the distinct ones).

The product of its digits is 146313216, while the sum is 66.

The spelling of 1387736264892 in words is "one trillion, three hundred eighty-seven billion, seven hundred thirty-six million, two hundred sixty-four thousand, eight hundred ninety-two".