140245660 has 12 divisors (see below), whose sum is σ = 294515928. Its totient is φ = 56098256.

The previous prime is 140245627. The next prime is 140245709. The reversal of 140245660 is 66542041.

It is a congruent number.

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, 3506122 + ... + 3506161.

It is an arithmetic number, because the mean of its divisors is an integer number (24542994).

Almost surely, 2^140245660 is an apocalyptic number.

140245660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140245660 is an abundant number, since it is smaller than the sum of its proper divisors (154270268).

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

140245660 is a wasteful number, since it uses less digits than its factorization.

140245660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7012292 (or 7012290 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 140245660 is about 11842.5360459658. The cubic root of 140245660 is about 519.5529441684.

The spelling of 140245660 in words is "one hundred forty million, two hundred forty-five thousand, six hundred sixty".