140570232 has 64 divisors (see below), whose sum is σ = 391564800. Its totient is φ = 41687040.

The previous prime is 140570203. The next prime is 140570233. The reversal of 140570232 is 232075041.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140570233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6744 + ... + 18072.

It is an arithmetic number, because the mean of its divisors is an integer number (6118200).

Almost surely, 2^140570232 is an apocalyptic number.

140570232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140570232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195782400).

140570232 is an abundant number, since it is smaller than the sum of its proper divisors (250994568).

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

140570232 is a wasteful number, since it uses less digits than its factorization.

140570232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11396 (or 11392 counting only the distinct ones).

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

The square root of 140570232 is about 11856.2317791109. The cubic root of 140570232 is about 519.9534376454.

The spelling of 140570232 in words is "one hundred forty million, five hundred seventy thousand, two hundred thirty-two".