140622664 has 32 divisors (see below), whose sum is σ = 324515520. Its totient is φ = 55630656.

The previous prime is 140622659. The next prime is 140622679. The reversal of 140622664 is 466226041.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95854 + ... + 97309.

It is an arithmetic number, because the mean of its divisors is an integer number (10141110).

Almost surely, 2^140622664 is an apocalyptic number.

140622664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

140622664 is an abundant number, since it is smaller than the sum of its proper divisors (183892856).

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

140622664 is a wasteful number, since it uses less digits than its factorization.

140622664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193189 (or 193185 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 140622664 is about 11858.4427308142. The cubic root of 140622664 is about 520.0180762947.

The spelling of 140622664 in words is "one hundred forty million, six hundred twenty-two thousand, six hundred sixty-four".