1400131001 has 4 divisors (see below), whose sum is σ = 1415862900. Its totient is φ = 1384399104.

The previous prime is 1400130973. The next prime is 1400131009. The reversal of 1400131001 is 1001310041.

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

It can be written as a sum of positive squares in 2 ways, for example, as 335805625 + 1064325376 = 18325^2 + 32624^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400131001 - 2¹⁰ = 1400129977 is a prime.

It is a super-2 number, since 2×1400131001² = 3920733639922524002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400131009) 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 3 ways as a sum of consecutive naturals, for example, 7865816 + ... + 7865993.

It is an arithmetic number, because the mean of its divisors is an integer number (353965725).

Almost surely, 2^1400131001 is an apocalyptic number.

It is an amenable number.

1400131001 is a deficient number, since it is larger than the sum of its proper divisors (15731899).

1400131001 is an equidigital number, since it uses as much as digits as its factorization.

1400131001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15731898.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1400131001 is about 37418.3244012877. The cubic root of 1400131001 is about 1118.7238337003.

Adding to 1400131001 its reverse (1001310041), we get a palindrome (2401441042).

The spelling of 1400131001 in words is "one billion, four hundred million, one hundred thirty-one thousand, one".