140504311 has 4 divisors (see below), whose sum is σ = 142885800. Its totient is φ = 138122824.

The previous prime is 140504279. The next prime is 140504317. The reversal of 140504311 is 113405041.

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 140504311 - 2⁵ = 140504279 is a prime.

It is a super-2 number, since 2×140504311² = 39482922819169442, 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 (140504317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1190656 + ... + 1190773.

It is an arithmetic number, because the mean of its divisors is an integer number (35721450).

Almost surely, 2^140504311 is an apocalyptic number.

140504311 is a deficient number, since it is larger than the sum of its proper divisors (2381489).

140504311 is an equidigital number, since it uses as much as digits as its factorization.

140504311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381488.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 140504311 is about 11853.4514382942. The cubic root of 140504311 is about 519.8721468216.

Adding to 140504311 its reverse (113405041), we get a palindrome (253909352).

The spelling of 140504311 in words is "one hundred forty million, five hundred four thousand, three hundred eleven".