140397213492 has 60 divisors (see below), whose sum is σ = 373246880160. Its totient is φ = 46005860304.

The previous prime is 140397213449. The next prime is 140397213493. The reversal of 140397213492 is 294312793041.

140397213492 is a `hidden beast` number, since 1 + 4 + 0 + 397 + 213 + 49 + 2 = 666.

It is a super-2 number, since 2×140397213492² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140397213493) 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 19 ways as a sum of consecutive naturals, for example, 3653128 + ... + 3691359.

It is an arithmetic number, because the mean of its divisors is an integer number (6220781336).

Almost surely, 2^140397213492 is an apocalyptic number.

140397213492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140397213492 is an abundant number, since it is smaller than the sum of its proper divisors (232849666668).

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

140397213492 is a wasteful number, since it uses less digits than its factorization.

140397213492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7344562 (or 7344551 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 140397213492 in words is "one hundred forty billion, three hundred ninety-seven million, two hundred thirteen thousand, four hundred ninety-two".