140813910 has 32 divisors (see below), whose sum is σ = 375504480. Its totient is φ = 37550304.

The previous prime is 140813909. The next prime is 140813929. The reversal of 140813910 is 19318041.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260497 + ... + 261036.

It is an arithmetic number, because the mean of its divisors is an integer number (11734515).

Almost surely, 2^140813910 is an apocalyptic number.

140813910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140813910 is an abundant number, since it is smaller than the sum of its proper divisors (234690570).

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

140813910 is a wasteful number, since it uses less digits than its factorization.

140813910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521549 (or 521543 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 140813910 is about 11866.5036973828. The cubic root of 140813910 is about 520.2537100202.

The spelling of 140813910 in words is "one hundred forty million, eight hundred thirteen thousand, nine hundred ten".