140064334502551 has 16 divisors (see below), whose sum is σ = 148836924475200. Its totient is φ = 131555909818368.

The previous prime is 140064334502513. The next prime is 140064334502557. The reversal of 140064334502551 is 155205433460041.

It is not a de Polignac number, because 140064334502551 - 2²¹ = 140064332405399 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140064334502498 and 140064334502507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140064334502557) 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, 5744275 + ... + 17695348.

It is an arithmetic number, because the mean of its divisors is an integer number (9302307779700).

Almost surely, 2^{140064334502551} is an apocalyptic number.

140064334502551 is a deficient number, since it is larger than the sum of its proper divisors (8772589972649).

140064334502551 is a wasteful number, since it uses less digits than its factorization.

140064334502551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23445258.

The product of its (nonzero) digits is 864000, while the sum is 43.

Adding to 140064334502551 its reverse (155205433460041), we get a palindrome (295269767962592).

The spelling of 140064334502551 in words is "one hundred forty trillion, sixty-four billion, three hundred thirty-four million, five hundred two thousand, five hundred fifty-one".