140014531 has 2 divisors, whose sum is σ = 140014532. Its totient is φ = 140014530.

The previous prime is 140014519. The next prime is 140014559. The reversal of 140014531 is 135410041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140014531 - 2⁷ = 140014403 is a prime.

It is a super-2 number, since 2×140014531² = 39208137782299922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140014499 and 140014508.

It is not a weakly prime, because it can be changed into another prime (140014331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70007265 + 70007266.

It is an arithmetic number, because the mean of its divisors is an integer number (70007266).

Almost surely, 2^140014531 is an apocalyptic number.

140014531 is a deficient number, since it is larger than the sum of its proper divisors (1).

140014531 is an equidigital number, since it uses as much as digits as its factorization.

140014531 is an odious number, because the sum of its binary digits is odd.

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

The square root of 140014531 is about 11832.7735970904. The cubic root of 140014531 is about 519.2673743569.

Adding to 140014531 its reverse (135410041), we get a palindrome (275424572).

It can be divided in two parts, 1400 and 14531, that added together give a triangular number (15931 = T₁₇₈).

The spelling of 140014531 in words is "one hundred forty million, fourteen thousand, five hundred thirty-one".