80140913 has 2 divisors, whose sum is σ = 80140914. Its totient is φ = 80140912.

The previous prime is 80140889. The next prime is 80140981. The reversal of 80140913 is 31904108.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77141089 + 2999824 = 8783^2 + 1732^2 .

It is a cyclic number.

It is not a de Polignac number, because 80140913 - 2⁶ = 80140849 is a prime.

It is not a weakly prime, because it can be changed into another prime (80140013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40070456 + 40070457.

It is an arithmetic number, because the mean of its divisors is an integer number (40070457).

Almost surely, 2^80140913 is an apocalyptic number.

It is an amenable number.

80140913 is a deficient number, since it is larger than the sum of its proper divisors (1).

80140913 is an equidigital number, since it uses as much as digits as its factorization.

80140913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 80140913 is about 8952.1457204404. The cubic root of 80140913 is about 431.1397794913.

It can be divided in two parts, 801 and 40913, that added together give a palindrome (41714).

The spelling of 80140913 in words is "eighty million, one hundred forty thousand, nine hundred thirteen".