140100129 has 72 divisors (see below), whose sum is σ = 239645952. Its totient is φ = 78304320.

The previous prime is 140100097. The next prime is 140100133. The reversal of 140100129 is 921001041.

It is not a de Polignac number, because 140100129 - 2⁵ = 140100097 is a prime.

It is a super-2 number, since 2×140100129² = 39256092291633282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140100629) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1309294 + ... + 1309400.

It is an arithmetic number, because the mean of its divisors is an integer number (3328416).

Almost surely, 2^140100129 is an apocalyptic number.

140100129 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

140100129 is a deficient number, since it is larger than the sum of its proper divisors (99545823).

140100129 is a wasteful number, since it uses less digits than its factorization.

140100129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 140100129 is about 11836.3900324381. The cubic root of 140100129 is about 519.3731709806.

The spelling of 140100129 in words is "one hundred forty million, one hundred thousand, one hundred twenty-nine".