140930188 has 24 divisors (see below), whose sum is σ = 289480352. Its totient is φ = 58765824.

The previous prime is 140930159. The next prime is 140930203. The reversal of 140930188 is 881039041.

It is a happy number.

It is a super-2 number, since 2×140930188² = 39722635779430688, which contains 22 as substring.

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, 66981 + ... + 69052.

Almost surely, 2^140930188 is an apocalyptic number.

It is an amenable number.

140930188 is an abundant number, since it is smaller than the sum of its proper divisors (148550164).

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

140930188 is a wasteful number, since it uses less digits than its factorization.

140930188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136081 (or 136079 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 140930188 is about 11871.4021075861. The cubic root of 140930188 is about 520.3968715810.

The spelling of 140930188 in words is "one hundred forty million, nine hundred thirty thousand, one hundred eighty-eight".