140944090 has 48 divisors (see below), whose sum is σ = 310672800. Its totient is φ = 45777312.

The previous prime is 140944051. The next prime is 140944091. The reversal of 140944090 is 90449041.

It is not an unprimeable number, because it can be changed into a prime (140944091) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1741 + ... + 16879.

It is an arithmetic number, because the mean of its divisors is an integer number (6472350).

Almost surely, 2^140944090 is an apocalyptic number.

140944090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140944090 is an abundant number, since it is smaller than the sum of its proper divisors (169728710).

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

140944090 is a wasteful number, since it uses less digits than its factorization.

140944090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15179 (or 15172 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 140944090 is about 11871.9876179181. The cubic root of 140944090 is about 520.4139824629.

The spelling of 140944090 in words is "one hundred forty million, nine hundred forty-four thousand, ninety".