140153801990 has 32 divisors (see below), whose sum is σ = 252873131904. Its totient is φ = 55929139200.

The previous prime is 140153801959. The next prime is 140153801993. The reversal of 140153801990 is 99108351041.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140153801993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10385027 + ... + 10398513.

It is an arithmetic number, because the mean of its divisors is an integer number (7902285372).

Almost surely, 2^140153801990 is an apocalyptic number.

140153801990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140153801990 is a deficient number, since it is larger than the sum of its proper divisors (112719329914).

140153801990 is a wasteful number, since it uses less digits than its factorization.

140153801990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15872.

The product of its (nonzero) digits is 38880, while the sum is 41.

The spelling of 140153801990 in words is "one hundred forty billion, one hundred fifty-three million, eight hundred one thousand, nine hundred ninety".