1400495631 has 4 divisors (see below), whose sum is σ = 1867327512. Its totient is φ = 933663752.

The previous prime is 1400495627. The next prime is 1400495641. The reversal of 1400495631 is 1365940041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1400495631 - 2² = 1400495627 is a prime.

It is a super-2 number, since 2×1400495631² = 3922776024900176322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1400495592 and 1400495601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400495641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233415936 + ... + 233415941.

It is an arithmetic number, because the mean of its divisors is an integer number (466831878).

Almost surely, 2^1400495631 is an apocalyptic number.

1400495631 is a deficient number, since it is larger than the sum of its proper divisors (466831881).

1400495631 is an equidigital number, since it uses as much as digits as its factorization.

1400495631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466831880.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 1400495631 is about 37423.1964294874. The cubic root of 1400495631 is about 1118.8209400580.

The spelling of 1400495631 in words is "one billion, four hundred million, four hundred ninety-five thousand, six hundred thirty-one".