140835312 has 60 divisors (see below), whose sum is σ = 402548640. Its totient is φ = 45944064.

The previous prime is 140835311. The next prime is 140835319. The reversal of 140835312 is 213538041.

It is a happy number.

140835312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140835312² = 39669170212274688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140835311) 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, 3637 + ... + 17172.

It is an arithmetic number, because the mean of its divisors is an integer number (6709144).

Almost surely, 2^140835312 is an apocalyptic number.

140835312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140835312 is an abundant number, since it is smaller than the sum of its proper divisors (261713328).

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

140835312 is a wasteful number, since it uses less digits than its factorization.

140835312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20870 (or 20861 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 140835312 is about 11867.4054451679. The cubic root of 140835312 is about 520.2800660950.

The spelling of 140835312 in words is "one hundred forty million, eight hundred thirty-five thousand, three hundred twelve".