140255752551 has 8 divisors (see below), whose sum is σ = 187010337024. Its totient is φ = 93502501560.

The previous prime is 140255752523. The next prime is 140255752561. The reversal of 140255752551 is 155257552041.

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

It is not a de Polignac number, because 140255752551 - 2⁶ = 140255752487 is a prime.

It is a super-2 number, since 2×140255752551² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140255752501) 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, 54661 + ... + 532446.

It is an arithmetic number, because the mean of its divisors is an integer number (23376292128).

Almost surely, 2^140255752551 is an apocalyptic number.

140255752551 is a deficient number, since it is larger than the sum of its proper divisors (46754584473).

140255752551 is an equidigital number, since it uses as much as digits as its factorization.

140255752551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666741.

The product of its (nonzero) digits is 350000, while the sum is 42.

The spelling of 140255752551 in words is "one hundred forty billion, two hundred fifty-five million, seven hundred fifty-two thousand, five hundred fifty-one".