140401133 has 4 divisors (see below), whose sum is σ = 140447328. Its totient is φ = 140354940.

The previous prime is 140401123. The next prime is 140401153. The reversal of 140401133 is 331104041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140401133 - 2¹⁰ = 140400109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140401123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18191 + ... + 24732.

It is an arithmetic number, because the mean of its divisors is an integer number (35111832).

Almost surely, 2^140401133 is an apocalyptic number.

It is an amenable number.

140401133 is a deficient number, since it is larger than the sum of its proper divisors (46195).

140401133 is an equidigital number, since it uses as much as digits as its factorization.

140401133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46194.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 140401133 is about 11849.0984045201. The cubic root of 140401133 is about 519.7448612761.

Adding to 140401133 its reverse (331104041), we get a palindrome (471505174).

The spelling of 140401133 in words is "one hundred forty million, four hundred one thousand, one hundred thirty-three".