140164040 has 16 divisors (see below), whose sum is σ = 315369180. Its totient is φ = 56065600.

The previous prime is 140164039. The next prime is 140164061. The reversal of 140164040 is 40461041.

It is a happy number.

140164040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 133310116 + 6853924 = 11546^2 + 2618^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 1752011 + ... + 1752090.

Almost surely, 2^140164040 is an apocalyptic number.

140164040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140164040 is an abundant number, since it is smaller than the sum of its proper divisors (175205140).

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

140164040 is a wasteful number, since it uses less digits than its factorization.

140164040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3504112 (or 3504108 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 140164040 is about 11839.0894920175. The cubic root of 140164040 is about 519.4521350111.

The spelling of 140164040 in words is "one hundred forty million, one hundred sixty-four thousand, forty".