140663020 has 12 divisors (see below), whose sum is σ = 295392384. Its totient is φ = 56265200.

The previous prime is 140662997. The next prime is 140663053. The reversal of 140663020 is 20366041.

It is a junction number, because it is equal to n+sod(n) for n = 140662982 and 140663000.

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, 3516556 + ... + 3516595.

It is an arithmetic number, because the mean of its divisors is an integer number (24616032).

Almost surely, 2^140663020 is an apocalyptic number.

140663020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140663020 is an abundant number, since it is smaller than the sum of its proper divisors (154729364).

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

140663020 is a wasteful number, since it uses less digits than its factorization.

140663020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7033160 (or 7033158 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 140663020 is about 11860.1441812484. The cubic root of 140663020 is about 520.0678165990.

The spelling of 140663020 in words is "one hundred forty million, six hundred sixty-three thousand, twenty".