140088708 has 18 divisors (see below), whose sum is σ = 354113214. Its totient is φ = 46696224.

The previous prime is 140088703. The next prime is 140088709. The reversal of 140088708 is 807880041.

It can be written as a sum of positive squares in only one way, i.e., 137874564 + 2214144 = 11742^2 + 1488^2 .

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

It is a super-2 number, since 2×140088708² = 39249692218218528, which contains 22 as substring.

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: 3891353 = 140088708 / (1 + 4 + 0 + 0 + 8 + 8 + 7 + 0 + 8).

It is not an unprimeable number, because it can be changed into a prime (140088703) 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, 1945641 + ... + 1945712.

Almost surely, 2^140088708 is an apocalyptic number.

140088708 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

140088708 is an abundant number, since it is smaller than the sum of its proper divisors (214024506).

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

140088708 is a wasteful number, since it uses less digits than its factorization.

140088708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3891363 (or 3891358 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 140088708 is about 11835.9075697641. The cubic root of 140088708 is about 519.3590574505.

The spelling of 140088708 in words is "one hundred forty million, eighty-eight thousand, seven hundred eight".