140238570 has 32 divisors (see below), whose sum is σ = 337182912. Its totient is φ = 37329152.

The previous prime is 140238551. The next prime is 140238599. The reversal of 140238570 is 75832041.

140238570 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13849 + ... + 21731.

It is an arithmetic number, because the mean of its divisors is an integer number (10536966).

Almost surely, 2^140238570 is an apocalyptic number.

140238570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140238570 is an abundant number, since it is smaller than the sum of its proper divisors (196944342).

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

140238570 is a wasteful number, since it uses less digits than its factorization.

140238570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8486.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 140238570 is about 11842.2366975162. The cubic root of 140238570 is about 519.5441888352.

The spelling of 140238570 in words is "one hundred forty million, two hundred thirty-eight thousand, five hundred seventy".