140312013 has 8 divisors (see below), whose sum is σ = 188556288. Its totient is φ = 92804544.

The previous prime is 140311981. The next prime is 140312027. The reversal of 140312013 is 310213041.

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

It is not a de Polignac number, because 140312013 - 2⁵ = 140311981 is a prime.

It is a super-2 number, since 2×140312013² = 39374921984224338, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140311983 and 140312001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140312083) 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 7 ways as a sum of consecutive naturals, for example, 183756 + ... + 184517.

It is an arithmetic number, because the mean of its divisors is an integer number (23569536).

Almost surely, 2^140312013 is an apocalyptic number.

It is an amenable number.

140312013 is a deficient number, since it is larger than the sum of its proper divisors (48244275).

140312013 is a wasteful number, since it uses less digits than its factorization.

140312013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368403.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 140312013 is about 11845.3371838880. The cubic root of 140312013 is about 519.6348681799.

Adding to 140312013 its reverse (310213041), we get a palindrome (450525054).

The spelling of 140312013 in words is "one hundred forty million, three hundred twelve thousand, thirteen".