140236718156877 has 4 divisors (see below), whose sum is σ = 186982290875840. Its totient is φ = 93491145437916.

The previous prime is 140236718156861. The next prime is 140236718156881. The reversal of 140236718156877 is 778651817632041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 140236718156877 - 2⁴ = 140236718156861 is a prime.

It is a super-2 number, since 2×140236718156877² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140236718156837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23372786359477 + ... + 23372786359482.

It is an arithmetic number, because the mean of its divisors is an integer number (46745572718960).

Almost surely, 2^{140236718156877} is an apocalyptic number.

It is an amenable number.

140236718156877 is a deficient number, since it is larger than the sum of its proper divisors (46745572718963).

140236718156877 is an equidigital number, since it uses as much as digits as its factorization.

140236718156877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46745572718962.

The product of its (nonzero) digits is 94832640, while the sum is 66.

The spelling of 140236718156877 in words is "one hundred forty trillion, two hundred thirty-six billion, seven hundred eighteen million, one hundred fifty-six thousand, eight hundred seventy-seven".