1401134231 has 16 divisors (see below), whose sum is σ = 1651482624. Its totient is φ = 1163774304.

The previous prime is 1401134221. The next prime is 1401134243. The reversal of 1401134231 is 1324311041.

It is not a de Polignac number, because 1401134231 - 2¹⁸ = 1400872087 is a prime.

It is a super-2 number, since 2×1401134231² = 3926354266559922722, 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 (1401134221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19901 + ... + 56553.

It is an arithmetic number, because the mean of its divisors is an integer number (103217664).

Almost surely, 2^1401134231 is an apocalyptic number.

1401134231 is a deficient number, since it is larger than the sum of its proper divisors (250348393).

1401134231 is a wasteful number, since it uses less digits than its factorization.

1401134231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36830.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1401134231 is about 37431.7275983890. The cubic root of 1401134231 is about 1118.9909680747.

Adding to 1401134231 its reverse (1324311041), we get a palindrome (2725445272).

The spelling of 1401134231 in words is "one billion, four hundred one million, one hundred thirty-four thousand, two hundred thirty-one".