140387296 has 48 divisors (see below), whose sum is σ = 317205504. Its totient is φ = 59912064.

The previous prime is 140387281. The next prime is 140387297. The reversal of 140387296 is 692783041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140387297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57721 + ... + 60103.

It is an arithmetic number, because the mean of its divisors is an integer number (6608448).

Almost surely, 2^140387296 is an apocalyptic number.

140387296 is a gapful number since it is divisible by the number (16) 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 140387296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158602752).

140387296 is an abundant number, since it is smaller than the sum of its proper divisors (176818208).

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

140387296 is a wasteful number, since it uses less digits than its factorization.

140387296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2663 (or 2655 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 140387296 is about 11848.5145060467. The cubic root of 140387296 is about 519.7277865186.

The spelling of 140387296 in words is "one hundred forty million, three hundred eighty-seven thousand, two hundred ninety-six".