1400013149 has 2 divisors, whose sum is σ = 1400013150. Its totient is φ = 1400013148.

The previous prime is 1400013137. The next prime is 1400013191. The reversal of 1400013149 is 9413100041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1189560100 + 210453049 = 34490^2 + 14507^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400013149 - 2²⁴ = 1383235933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400013949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700006574 + 700006575.

It is an arithmetic number, because the mean of its divisors is an integer number (700006575).

Almost surely, 2^1400013149 is an apocalyptic number.

It is an amenable number.

1400013149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400013149 is an equidigital number, since it uses as much as digits as its factorization.

1400013149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1400013149 is about 37416.7495782303. The cubic root of 1400013149 is about 1118.6924443659.

The spelling of 1400013149 in words is "one billion, four hundred million, thirteen thousand, one hundred forty-nine".