140034431507 has 2 divisors, whose sum is σ = 140034431508. Its totient is φ = 140034431506.

The previous prime is 140034431477. The next prime is 140034431543. The reversal of 140034431507 is 705134430041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140034431507 - 2²⁴ = 140017654291 is a prime.

It is not a weakly prime, because it can be changed into another prime (140034431557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70017215753 + 70017215754.

It is an arithmetic number, because the mean of its divisors is an integer number (70017215754).

Almost surely, 2^140034431507 is an apocalyptic number.

140034431507 is a deficient number, since it is larger than the sum of its proper divisors (1).

140034431507 is an equidigital number, since it uses as much as digits as its factorization.

140034431507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 32.

Adding to 140034431507 its reverse (705134430041), we get a palindrome (845168861548).

The spelling of 140034431507 in words is "one hundred forty billion, thirty-four million, four hundred thirty-one thousand, five hundred seven".