140431056 has 40 divisors (see below), whose sum is σ = 364646304. Its totient is φ = 46569600.

The previous prime is 140431043. The next prime is 140431063. The reversal of 140431056 is 650134041.

140431056 is digitally balanced in base 2, 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 (24).

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, 2031 + ... + 16881.

Almost surely, 2^140431056 is an apocalyptic number.

140431056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

140431056 is an abundant number, since it is smaller than the sum of its proper divisors (224215248).

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

140431056 is a wasteful number, since it uses less digits than its factorization.

140431056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15059 (or 15053 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 140431056 is about 11850.3610071592. The cubic root of 140431056 is about 519.7817822051.

Adding to 140431056 its reverse (650134041), we get a palindrome (790565097).

The spelling of 140431056 in words is "one hundred forty million, four hundred thirty-one thousand, fifty-six".