140001400231 has 64 divisors (see below), whose sum is σ = 194074214400. Its totient is φ = 97689110400.

The previous prime is 140001400213. The next prime is 140001400261. The reversal of 140001400231 is 132004100041.

140001400231 = 99994² + 99995² + ... + 100007².

It is not a de Polignac number, because 140001400231 - 2⁹ = 140001399719 is a prime.

It is a super-2 number, since 2×140001400231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140001400261) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1914285 + ... + 1986073.

It is an arithmetic number, because the mean of its divisors is an integer number (3032409600).

Almost surely, 2^140001400231 is an apocalyptic number.

140001400231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

140001400231 is a deficient number, since it is larger than the sum of its proper divisors (54072814169).

140001400231 is a wasteful number, since it uses less digits than its factorization.

140001400231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71900.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 140001400231 its reverse (132004100041), we get a palindrome (272005500272).

The spelling of 140001400231 in words is "one hundred forty billion, one million, four hundred thousand, two hundred thirty-one".