140189020 has 24 divisors (see below), whose sum is σ = 295117200. Its totient is φ = 55938432.

The previous prime is 140189017. The next prime is 140189053. The reversal of 140189020 is 20981041.

It is a happy number.

140189020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140189020² = 39305922657120800, which contains 22 as substring.

It is a congruent number.

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, 16 + ... + 16744.

It is an arithmetic number, because the mean of its divisors is an integer number (12296550).

Almost surely, 2^140189020 is an apocalyptic number.

140189020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140189020 is an abundant number, since it is smaller than the sum of its proper divisors (154928180).

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

140189020 is a wasteful number, since it uses less digits than its factorization.

140189020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17157 (or 17155 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 140189020 is about 11840.1444247948. The cubic root of 140189020 is about 519.4829920544.

The spelling of 140189020 in words is "one hundred forty million, one hundred eighty-nine thousand, twenty".