1380023465536 has 21 divisors (see below), whose sum is σ = 2738502713611. Its totient is φ = 690007033792.

The previous prime is 1380023465477. The next prime is 1380023465609. The reversal of 1380023465536 is 6355643200831.

The square root of 1380023465536 is 1174744.

It is a perfect power (a square), and thus also a powerful number.

It is a super-4 number, since 4×1380023465536⁴ (a number of 50 digits) contains 4444 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 9324531 + ... + 9471373.

Almost surely, 2^{1380023465536} is an apocalyptic number.

1380023465536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1380023465536 is the 1174744-th square number.

It is an amenable number.

1380023465536 is a deficient number, since it is larger than the sum of its proper divisors (1358479248075).

1380023465536 is an frugal number, since it uses more digits than its factorization.

1380023465536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293698 (or 146845 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 46.

The spelling of 1380023465536 in words is "one trillion, three hundred eighty billion, twenty-three million, four hundred sixty-five thousand, five hundred thirty-six".