140036546464 has 24 divisors (see below), whose sum is σ = 275735732580. Its totient is φ = 70008423936.

The previous prime is 140036546459. The next prime is 140036546479. The reversal of 140036546464 is 464645630041.

It can be written as a sum of positive squares in 2 ways, for example, as 88987662864 + 51048883600 = 298308^2 + 225940^2 .

It is a super-2 number, since 2×140036546464² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140036546464.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74019 + ... + 534370.

Almost surely, 2^140036546464 is an apocalyptic number.

It is an amenable number.

140036546464 is a deficient number, since it is larger than the sum of its proper divisors (135699186116).

140036546464 is an equidigital number, since it uses as much as digits as its factorization.

140036546464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615592 (or 615584 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 140036546464 in words is "one hundred forty billion, thirty-six million, five hundred forty-six thousand, four hundred sixty-four".