140158020 has 24 divisors (see below), whose sum is σ = 392442624. Its totient is φ = 37375456.

The previous prime is 140157991. The next prime is 140158061. The reversal of 140158020 is 20851041.

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, 1167924 + ... + 1168043.

It is an arithmetic number, because the mean of its divisors is an integer number (16351776).

Almost surely, 2^140158020 is an apocalyptic number.

140158020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140158020 is an abundant number, since it is smaller than the sum of its proper divisors (252284604).

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

140158020 is a wasteful number, since it uses less digits than its factorization.

140158020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2335979 (or 2335977 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 140158020 is about 11838.8352467631. The cubic root of 140158020 is about 519.4446981378. Note that the first 3 decimals are identical.

The spelling of 140158020 in words is "one hundred forty million, one hundred fifty-eight thousand, twenty".