140009355264 has 96 divisors (see below), whose sum is σ = 373625375760. Its totient is φ = 46624997376.

The previous prime is 140009355181. The next prime is 140009355301. The reversal of 140009355264 is 462553900041.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×140009355264² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6729582 + ... + 6750354.

Almost surely, 2^140009355264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140009355264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186812687880).

140009355264 is an abundant number, since it is smaller than the sum of its proper divisors (233616020496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140009355264 is a wasteful number, since it uses less digits than its factorization.

140009355264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21895 (or 21875 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 140009355264 in words is "one hundred forty billion, nine million, three hundred fifty-five thousand, two hundred sixty-four".