140152608 has 36 divisors (see below), whose sum is σ = 398559798. Its totient is φ = 46717440.

The previous prime is 140152603. The next prime is 140152619. The reversal of 140152608 is 806251041.

140152608 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 52 + 608 = 666.

It can be written as a sum of positive squares in only one way, i.e., 101364624 + 38787984 = 10068^2 + 6228^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (140152603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 243033 + ... + 243608.

Almost surely, 2^140152608 is an apocalyptic number.

140152608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

140152608 is an abundant number, since it is smaller than the sum of its proper divisors (258407190).

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

140152608 is a wasteful number, since it uses less digits than its factorization.

140152608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486657 (or 486646 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 140152608 is about 11838.6066747739. The cubic root of 140152608 is about 519.4380121822.

The spelling of 140152608 in words is "one hundred forty million, one hundred fifty-two thousand, six hundred eight".