140537255664 has 160 divisors (see below), whose sum is σ = 417647893824. Its totient is φ = 40338063360.

The previous prime is 140537255641. The next prime is 140537255669. The reversal of 140537255664 is 466552735041.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140537255669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1140084 + ... + 1257324.

Almost surely, 2^140537255664 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 140537255664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208823946912).

140537255664 is an abundant number, since it is smaller than the sum of its proper divisors (277110638160).

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

140537255664 is a wasteful number, since it uses less digits than its factorization.

140537255664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117395 (or 117389 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 48.

The spelling of 140537255664 in words is "one hundred forty billion, five hundred thirty-seven million, two hundred fifty-five thousand, six hundred sixty-four".