140153801991 has 8 divisors (see below), whose sum is σ = 213567698304. Its totient is φ = 80087886840.

The previous prime is 140153801959. The next prime is 140153801993. The reversal of 140153801991 is 199108351041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140153801991 - 2⁵ = 140153801959 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 3336995265 + ... + 3336995306.

It is an arithmetic number, because the mean of its divisors is an integer number (26695962288).

Almost surely, 2^140153801991 is an apocalyptic number.

140153801991 is a deficient number, since it is larger than the sum of its proper divisors (73413896313).

140153801991 is an equidigital number, since it uses as much as digits as its factorization.

140153801991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6673990581.

The product of its (nonzero) digits is 38880, while the sum is 42.

The spelling of 140153801991 in words is "one hundred forty billion, one hundred fifty-three million, eight hundred one thousand, nine hundred ninety-one".