140612913 has 48 divisors (see below), whose sum is σ = 240439680. Its totient is φ = 77511168.

The previous prime is 140612897. The next prime is 140612921. The reversal of 140612913 is 319216041.

140612913 is a `hidden beast` number, since 1 + 40 + 612 + 9 + 1 + 3 = 666.

It is not a de Polignac number, because 140612913 - 2⁴ = 140612897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140612963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 417081 + ... + 417417.

It is an arithmetic number, because the mean of its divisors is an integer number (5009160).

Almost surely, 2^140612913 is an apocalyptic number.

It is an amenable number.

140612913 is a deficient number, since it is larger than the sum of its proper divisors (99826767).

140612913 is a wasteful number, since it uses less digits than its factorization.

140612913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 140612913 is about 11858.0315820123. The cubic root of 140612913 is about 520.0060563890.

Adding to 140612913 its reverse (319216041), we get a palindrome (459828954).

The spelling of 140612913 in words is "one hundred forty million, six hundred twelve thousand, nine hundred thirteen".