140813031 has 8 divisors (see below), whose sum is σ = 188734464. Its totient is φ = 93383480.

The previous prime is 140813021. The next prime is 140813033. The reversal of 140813031 is 130318041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140813031 - 2⁶ = 140812967 is a prime.

It is a super-2 number, since 2×140813031² = 39656619398813922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140812989 and 140813007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140813033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122301 + ... + 123446.

It is an arithmetic number, because the mean of its divisors is an integer number (23591808).

Almost surely, 2^140813031 is an apocalyptic number.

140813031 is a deficient number, since it is larger than the sum of its proper divisors (47921433).

140813031 is a wasteful number, since it uses less digits than its factorization.

140813031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245941.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 140813031 is about 11866.4666602995. The cubic root of 140813031 is about 520.2526274947.

The spelling of 140813031 in words is "one hundred forty million, eight hundred thirteen thousand, thirty-one".