140123040990 has 32 divisors (see below), whose sum is σ = 350916834816. Its totient is φ = 35741529120.

The previous prime is 140123040989. The next prime is 140123041057. The reversal of 140123040990 is 99040321041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101537746 + ... + 101539125.

It is an arithmetic number, because the mean of its divisors is an integer number (10966151088).

Almost surely, 2^140123040990 is an apocalyptic number.

140123040990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140123040990 is an abundant number, since it is smaller than the sum of its proper divisors (210793793826).

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

140123040990 is a wasteful number, since it uses less digits than its factorization.

140123040990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203076904.

The product of its (nonzero) digits is 7776, while the sum is 33.

The spelling of 140123040990 in words is "one hundred forty billion, one hundred twenty-three million, forty thousand, nine hundred ninety".