140272530 has 16 divisors (see below), whose sum is σ = 336654144. Its totient is φ = 37406000.

The previous prime is 140272529. The next prime is 140272541. The reversal of 140272530 is 35272041.

It is a self number, because there is not a number n which added to its sum of digits gives 140272530.

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, 2337846 + ... + 2337905.

It is an arithmetic number, because the mean of its divisors is an integer number (21040884).

Almost surely, 2^140272530 is an apocalyptic number.

140272530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140272530 is an abundant number, since it is smaller than the sum of its proper divisors (196381614).

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

140272530 is a wasteful number, since it uses less digits than its factorization.

140272530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4675761.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 140272530 is about 11843.6704614743. The cubic root of 140272530 is about 519.5861228449.

The spelling of 140272530 in words is "one hundred forty million, two hundred seventy-two thousand, five hundred thirty".