140856094864 has 15 divisors (see below), whose sum is σ = 272911592467. Its totient is φ = 70427296816.

The previous prime is 140856094861. The next prime is 140856094877. The reversal of 140856094864 is 468490658041.

The square root of 140856094864 is 375308.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140856094861) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1454319 + ... + 1548145.

Almost surely, 2^140856094864 is an apocalyptic number.

140856094864 is the 375308-th square number.

It is an amenable number.

140856094864 is a deficient number, since it is larger than the sum of its proper divisors (132055497603).

140856094864 is an frugal number, since it uses more digits than its factorization.

140856094864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187662 (or 93829 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 55.

The spelling of 140856094864 in words is "one hundred forty billion, eight hundred fifty-six million, ninety-four thousand, eight hundred sixty-four".