140350788 has 18 divisors (see below), whose sum is σ = 354775694. Its totient is φ = 46783584.

The previous prime is 140350783. The next prime is 140350801. The reversal of 140350788 is 887053041.

140350788 is a `hidden beast` number, since 140 + 3 + 507 + 8 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 133125444 + 7225344 = 11538^2 + 2688^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3898633 = 140350788 / (1 + 4 + 0 + 3 + 5 + 0 + 7 + 8 + 8).

It is not an unprimeable number, because it can be changed into a prime (140350781) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1949281 + ... + 1949352.

Almost surely, 2^140350788 is an apocalyptic number.

140350788 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

140350788 is an abundant number, since it is smaller than the sum of its proper divisors (214424906).

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

140350788 is a wasteful number, since it uses less digits than its factorization.

140350788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3898643 (or 3898638 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 140350788 is about 11846.9737908041. The cubic root of 140350788 is about 519.6827305257.

The spelling of 140350788 in words is "one hundred forty million, three hundred fifty thousand, seven hundred eighty-eight".