140539392 has 120 divisors (see below), whose sum is σ = 463656336. Its totient is φ = 40144896.

The previous prime is 140539369. The next prime is 140539397. The reversal of 140539392 is 293935041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140539397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30078 + ... + 34434.

Almost surely, 2^140539392 is an apocalyptic number.

140539392 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 140539392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231828168).

140539392 is an abundant number, since it is smaller than the sum of its proper divisors (323116944).

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

140539392 is an equidigital number, since it uses as much as digits as its factorization.

140539392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4388 (or 4369 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 140539392 is about 11854.9311259071. The cubic root of 140539392 is about 519.9154103034.

The spelling of 140539392 in words is "one hundred forty million, five hundred thirty-nine thousand, three hundred ninety-two".