140396628 has 48 divisors (see below), whose sum is σ = 336853440. Its totient is φ = 45484800.

The previous prime is 140396617. The next prime is 140396639. The reversal of 140396628 is 826693041.

140396628 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (140396617) and next prime (140396639).

It is a super-2 number, since 2×140396628² = 39422426307540768, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226503 + ... + 227121.

It is an arithmetic number, because the mean of its divisors is an integer number (7017780).

Almost surely, 2^140396628 is an apocalyptic number.

It is an amenable number.

140396628 is an abundant number, since it is smaller than the sum of its proper divisors (196456812).

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

140396628 is a wasteful number, since it uses less digits than its factorization.

140396628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128 (or 1126 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 140396628 is about 11848.9083041435. The cubic root of 140396628 is about 519.7393022620.

The spelling of 140396628 in words is "one hundred forty million, three hundred ninety-six thousand, six hundred twenty-eight".