1400364631 has 2 divisors, whose sum is σ = 1400364632. Its totient is φ = 1400364630.

The previous prime is 1400364607. The next prime is 1400364649. The reversal of 1400364631 is 1364630041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1400364631 - 2⁵ = 1400364599 is a prime.

It is a super-2 number, since 2×1400364631² = 3922042199511532322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1400364631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400364661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700182315 + 700182316.

It is an arithmetic number, because the mean of its divisors is an integer number (700182316).

Almost surely, 2^1400364631 is an apocalyptic number.

1400364631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400364631 is an equidigital number, since it uses as much as digits as its factorization.

1400364631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1400364631 is about 37421.4461372085. The cubic root of 1400364631 is about 1118.7860547622.

Adding to 1400364631 its reverse (1364630041), we get a palindrome (2764994672).

The spelling of 1400364631 in words is "one billion, four hundred million, three hundred sixty-four thousand, six hundred thirty-one".