1387266089364 has 48 divisors (see below), whose sum is σ = 3641018474240. Its totient is φ = 462422026872.

The previous prime is 1387266089351. The next prime is 1387266089371. The reversal of 1387266089364 is 4639806627831.

1387266089364 is a `hidden beast` number, since 1 + 3 + 8 + 7 + 266 + 0 + 8 + 9 + 364 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79281724 + ... + 79299219.

Almost surely, 2^{1387266089364} is an apocalyptic number.

It is an amenable number.

1387266089364 is an abundant number, since it is smaller than the sum of its proper divisors (2253752384876).

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

1387266089364 is an equidigital number, since it uses as much as digits as its factorization.

1387266089364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158580968 (or 158580948 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 63.

The spelling of 1387266089364 in words is "one trillion, three hundred eighty-seven billion, two hundred sixty-six million, eighty-nine thousand, three hundred sixty-four".