140811960 has 32 divisors (see below), whose sum is σ = 422436240. Its totient is φ = 37549824.

The previous prime is 140811949. The next prime is 140812039. The reversal of 140811960 is 69118041.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 586597 + ... + 586836.

Almost surely, 2^140811960 is an apocalyptic number.

140811960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140811960 is an abundant number, since it is smaller than the sum of its proper divisors (281624280).

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

140811960 is a wasteful number, since it uses less digits than its factorization.

140811960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173447 (or 1173443 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 140811960 is about 11866.4215330486. The cubic root of 140811960 is about 520.2513085069.

The spelling of 140811960 in words is "one hundred forty million, eight hundred eleven thousand, nine hundred sixty".