140634860 has 12 divisors (see below), whose sum is σ = 295333248. Its totient is φ = 56253936.

The previous prime is 140634859. The next prime is 140634877. The reversal of 140634860 is 68436041.

140634860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3515852 + ... + 3515891.

It is an arithmetic number, because the mean of its divisors is an integer number (24611104).

Almost surely, 2^140634860 is an apocalyptic number.

140634860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140634860 is an abundant number, since it is smaller than the sum of its proper divisors (154698388).

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

140634860 is a wasteful number, since it uses less digits than its factorization.

140634860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7031752 (or 7031750 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 140634860 is about 11858.9569524474. The cubic root of 140634860 is about 520.0331093317.

The spelling of 140634860 in words is "one hundred forty million, six hundred thirty-four thousand, eight hundred sixty".