140430988 has 6 divisors (see below), whose sum is σ = 245754236. Its totient is φ = 70215492.

The previous prime is 140430977. The next prime is 140430989. The reversal of 140430988 is 889034041.

140430988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140430988² = 39441724781312288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140430989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17553870 + ... + 17553877.

Almost surely, 2^140430988 is an apocalyptic number.

It is an amenable number.

140430988 is a deficient number, since it is larger than the sum of its proper divisors (105323248).

140430988 is a wasteful number, since it uses less digits than its factorization.

140430988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35107751 (or 35107749 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 140430988 is about 11850.3581380480. The cubic root of 140430988 is about 519.7816983082.

The spelling of 140430988 in words is "one hundred forty million, four hundred thirty thousand, nine hundred eighty-eight".