140330131 has 4 divisors (see below), whose sum is σ = 140473872. Its totient is φ = 140186392.

The previous prime is 140330129. The next prime is 140330147. The reversal of 140330131 is 131033041.

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

It is a cyclic number.

It is not a de Polignac number, because 140330131 - 2¹ = 140330129 is a prime.

It is a super-2 number, since 2×140330131² = 39385091332954322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140330111) 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, 70396 + ... + 72361.

It is an arithmetic number, because the mean of its divisors is an integer number (35118468).

Almost surely, 2^140330131 is an apocalyptic number.

140330131 is a deficient number, since it is larger than the sum of its proper divisors (143741).

140330131 is an equidigital number, since it uses as much as digits as its factorization.

140330131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143740.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 140330131 is about 11846.1019327034. The cubic root of 140330131 is about 519.6572334289.

Adding to 140330131 its reverse (131033041), we get a palindrome (271363172).

The spelling of 140330131 in words is "one hundred forty million, three hundred thirty thousand, one hundred thirty-one".