140396736 has 28 divisors (see below), whose sum is σ = 371466872. Its totient is φ = 46798848.

The previous prime is 140396723. The next prime is 140396783. The reversal of 140396736 is 637693041.

It is a super-2 number, since 2×140396736² = 39422486958907392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140396694 and 140396703.

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, 365425 + ... + 365808.

It is an arithmetic number, because the mean of its divisors is an integer number (13266674).

Almost surely, 2^140396736 is an apocalyptic number.

140396736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

140396736 is an abundant number, since it is smaller than the sum of its proper divisors (231070136).

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

140396736 is an equidigital number, since it uses as much as digits as its factorization.

140396736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731248 (or 731238 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 140396736 is about 11848.9128615245. The cubic root of 140396736 is about 519.7394355317.

The spelling of 140396736 in words is "one hundred forty million, three hundred ninety-six thousand, seven hundred thirty-six".