1397700875536 has 45 divisors (see below), whose sum is σ = 3150249924951. Its totient is φ = 599000474016.

The previous prime is 1397700875533. The next prime is 1397700875579. The reversal of 1397700875536 is 6355780077931.

It is a happy number.

The square root of 1397700875536 is 1182244.

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

It is a super-3 number, since 3×1397700875536³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1397700875533) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 33081721 + ... + 33123943.

Almost surely, 2^{1397700875536} is an apocalyptic number.

1397700875536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1397700875536 is the 1182244-th square number.

It is an amenable number.

1397700875536 is an abundant number, since it is smaller than the sum of its proper divisors (1752549049415).

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

1397700875536 is an frugal number, since it uses more digits than its factorization.

1397700875536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84468 (or 42232 counting only the distinct ones).

The product of its (nonzero) digits is 33339600, while the sum is 61.

The spelling of 1397700875536 in words is "one trillion, three hundred ninety-seven billion, seven hundred million, eight hundred seventy-five thousand, five hundred thirty-six".