140735507172 has 96 divisors (see below), whose sum is σ = 363662006400. Its totient is φ = 42079398912.

The previous prime is 140735507147. The next prime is 140735507179. The reversal of 140735507172 is 271705537041.

It is not an unprimeable number, because it can be changed into a prime (140735507179) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4654479 + ... + 4684617.

It is an arithmetic number, because the mean of its divisors is an integer number (3788145900).

Almost surely, 2^140735507172 is an apocalyptic number.

140735507172 is a gapful number since it is divisible by the number (12) 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 140735507172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181831003200).

140735507172 is an abundant number, since it is smaller than the sum of its proper divisors (222926499228).

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

140735507172 is a wasteful number, since it uses less digits than its factorization.

140735507172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31005 (or 31003 counting only the distinct ones).

The product of its (nonzero) digits is 205800, while the sum is 42.

The spelling of 140735507172 in words is "one hundred forty billion, seven hundred thirty-five million, five hundred seven thousand, one hundred seventy-two".