140639562 has 24 divisors (see below), whose sum is σ = 348250656. Its totient is φ = 40182696.

The previous prime is 140639561. The next prime is 140639563. The reversal of 140639562 is 265936041.

It is a happy number.

140639562 is a `hidden beast` number, since 14 + 0 + 639 + 5 + 6 + 2 = 666.

140639562 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (140639561) and next prime (140639563).

It is not an unprimeable number, because it can be changed into a prime (140639561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 557968 + ... + 558219.

It is an arithmetic number, because the mean of its divisors is an integer number (14510444).

Almost surely, 2^140639562 is an apocalyptic number.

140639562 is an abundant number, since it is smaller than the sum of its proper divisors (207611094).

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

140639562 is a wasteful number, since it uses less digits than its factorization.

140639562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116202 (or 1116199 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 140639562 is about 11859.1551975678. The cubic root of 140639562 is about 520.0389048801.

The spelling of 140639562 in words is "one hundred forty million, six hundred thirty-nine thousand, five hundred sixty-two".