1400363639 has 2 divisors, whose sum is σ = 1400363640. Its totient is φ = 1400363638.

The previous prime is 1400363609. The next prime is 1400363659. The reversal of 1400363639 is 9363630041.

It is a strong prime.

It is an emirp because it is prime and its reverse (9363630041) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1400363639 is a prime.

It is a super-2 number, since 2×1400363639² = 3922036642866644642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1400363599 and 1400363608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400363609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700181819 + 700181820.

It is an arithmetic number, because the mean of its divisors is an integer number (700181820).

Almost surely, 2^1400363639 is an apocalyptic number.

1400363639 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400363639 is an equidigital number, since it uses as much as digits as its factorization.

1400363639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 35.

The square root of 1400363639 is about 37421.4328827745. The cubic root of 1400363639 is about 1118.7857905843.

The spelling of 1400363639 in words is "one billion, four hundred million, three hundred sixty-three thousand, six hundred thirty-nine".