1400113631 has 8 divisors (see below), whose sum is σ = 1601079840. Its totient is φ = 1199384928.

The previous prime is 1400113621. The next prime is 1400113643. The reversal of 1400113631 is 1363110041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1400113631 - 2¹⁸ = 1399851487 is a prime.

It is a super-2 number, since 2×1400113631² = 3920636359424008322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400113621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46556 + ... + 70481.

It is an arithmetic number, because the mean of its divisors is an integer number (200134980).

Almost surely, 2^1400113631 is an apocalyptic number.

1400113631 is a deficient number, since it is larger than the sum of its proper divisors (200966209).

1400113631 is a wasteful number, since it uses less digits than its factorization.

1400113631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118753.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1400113631 is about 37418.0922950382. The cubic root of 1400113631 is about 1118.7192073919.

Adding to 1400113631 its reverse (1363110041), we get a palindrome (2763223672).

The spelling of 1400113631 in words is "one billion, four hundred million, one hundred thirteen thousand, six hundred thirty-one".