140637013346465 has 16 divisors (see below), whose sum is σ = 169979386127040. Its totient is φ = 111699638581440.

The previous prime is 140637013346449. The next prime is 140637013346477. The reversal of 140637013346465 is 564643310736041.

It is not a de Polignac number, because 140637013346465 - 2⁴ = 140637013346449 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196725047 + ... + 197438643.

It is an arithmetic number, because the mean of its divisors is an integer number (10623711632940).

Almost surely, 2^{140637013346465} is an apocalyptic number.

It is an amenable number.

140637013346465 is a deficient number, since it is larger than the sum of its proper divisors (29342372780575).

140637013346465 is a wasteful number, since it uses less digits than its factorization.

140637013346465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997312.

The product of its (nonzero) digits is 13063680, while the sum is 53.

The spelling of 140637013346465 in words is "one hundred forty trillion, six hundred thirty-seven billion, thirteen million, three hundred forty-six thousand, four hundred sixty-five".