140146680 has 32 divisors (see below), whose sum is σ = 420440400. Its totient is φ = 37372416.

The previous prime is 140146673. The next prime is 140146697. The reversal of 140146680 is 86641041.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 583825 + ... + 584064.

Almost surely, 2^140146680 is an apocalyptic number.

140146680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140146680 is an abundant number, since it is smaller than the sum of its proper divisors (280293720).

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

140146680 is a wasteful number, since it uses less digits than its factorization.

140146680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167903 (or 1167899 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 140146680 is about 11838.3563048254. The cubic root of 140146680 is about 519.4306885655.

The spelling of 140146680 in words is "one hundred forty million, one hundred forty-six thousand, six hundred eighty".