140427651630 has 64 divisors (see below), whose sum is σ = 385639211520. Its totient is φ = 32058897024.

The previous prime is 140427651601. The next prime is 140427651641. The reversal of 140427651630 is 36156724041.

It is a happy number.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 230625 + ... + 577964.

It is an arithmetic number, because the mean of its divisors is an integer number (6025612680).

Almost surely, 2^140427651630 is an apocalyptic number.

140427651630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140427651630 is an abundant number, since it is smaller than the sum of its proper divisors (245211559890).

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

140427651630 is a wasteful number, since it uses less digits than its factorization.

140427651630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809433.

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 140427651630 in words is "one hundred forty billion, four hundred twenty-seven million, six hundred fifty-one thousand, six hundred thirty".