140046464 has 32 divisors (see below), whose sum is σ = 284947200. Its totient is φ = 68530432.

The previous prime is 140046463. The next prime is 140046497. The reversal of 140046464 is 464640041.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×140046464² = 39226024157806592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140046461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5624 + ... + 17655.

It is an arithmetic number, because the mean of its divisors is an integer number (8904600).

Almost surely, 2^140046464 is an apocalyptic number.

It is an amenable number.

140046464 is an abundant number, since it is smaller than the sum of its proper divisors (144900736).

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

140046464 is an equidigital number, since it uses as much as digits as its factorization.

140046464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23340 (or 23328 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 140046464 is about 11834.1228656796. The cubic root of 140046464 is about 519.3068476518.

The spelling of 140046464 in words is "one hundred forty million, forty-six thousand, four hundred sixty-four".