140618880 has 96 divisors (see below), whose sum is σ = 485594460. Its totient is φ = 37496832.

The previous prime is 140618879. The next prime is 140618893. The reversal of 140618880 is 88816041.

It can be written as a sum of positive squares in 2 ways, for example, as 133263936 + 7354944 = 11544^2 + 2712^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6447 + ... + 17966.

Almost surely, 2^140618880 is an apocalyptic number.

140618880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140618880 is an abundant number, since it is smaller than the sum of its proper divisors (344975580).

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

140618880 is a wasteful number, since it uses less digits than its factorization.

140618880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24438 (or 24423 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The square root of 140618880 is about 11858.2831809668. The cubic root of 140618880 is about 520.0134118829.

The spelling of 140618880 in words is "one hundred forty million, six hundred eighteen thousand, eight hundred eighty".