140045130064 has 80 divisors (see below), whose sum is σ = 320904460800. Its totient is φ = 57929582592.

The previous prime is 140045130053. The next prime is 140045130067. The reversal of 140045130064 is 460031540041.

It is a super-2 number, since 2×140045130064² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140045130067) 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, 12625929 + ... + 12637015.

It is an arithmetic number, because the mean of its divisors is an integer number (4011305760).

Almost surely, 2^140045130064 is an apocalyptic number.

140045130064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140045130064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160452230400).

140045130064 is an abundant number, since it is smaller than the sum of its proper divisors (180859330736).

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

140045130064 is a wasteful number, since it uses less digits than its factorization.

140045130064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15020 (or 15014 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The spelling of 140045130064 in words is "one hundred forty billion, forty-five million, one hundred thirty thousand, sixty-four".