140204331 has 16 divisors (see below), whose sum is σ = 208588800. Its totient is φ = 93074184.

The previous prime is 140204327. The next prime is 140204341. The reversal of 140204331 is 133402041.

140204331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140204331 - 2² = 140204327 is a prime.

It is a super-2 number, since 2×140204331² = 39314508862315122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140204341) 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, 4411 + ... + 17316.

It is an arithmetic number, because the mean of its divisors is an integer number (13036800).

Almost surely, 2^140204331 is an apocalyptic number.

140204331 is a deficient number, since it is larger than the sum of its proper divisors (68384469).

140204331 is a wasteful number, since it uses less digits than its factorization.

140204331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21975 (or 21969 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 140204331 is about 11840.7909786467. The cubic root of 140204331 is about 519.5019034607.

Adding to 140204331 its reverse (133402041), we get a palindrome (273606372).

The spelling of 140204331 in words is "one hundred forty million, two hundred four thousand, three hundred thirty-one".