140135501023 has 8 divisors (see below), whose sum is σ = 165321144320. Its totient is φ = 116241429240.

The previous prime is 140135501017. The next prime is 140135501087. The reversal of 140135501023 is 320105531041.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 140135501023 - 2⁵ = 140135500991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140135501123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322892643 + ... + 322893076.

It is an arithmetic number, because the mean of its divisors is an integer number (20665143040).

Almost surely, 2^140135501023 is an apocalyptic number.

140135501023 is a deficient number, since it is larger than the sum of its proper divisors (25185643297).

140135501023 is an equidigital number, since it uses as much as digits as its factorization.

140135501023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645785757.

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 140135501023 in words is "one hundred forty billion, one hundred thirty-five million, five hundred one thousand, twenty-three".