140237302617641 has 4 divisors (see below), whose sum is σ = 140237408402832. Its totient is φ = 140237196832452.

The previous prime is 140237302617631. The next prime is 140237302617661. The reversal of 140237302617641 is 146716203732041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140237302617641 - 2¹⁸ = 140237302355497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140237302617631) 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, 50878511 + ... + 53563956.

It is an arithmetic number, because the mean of its divisors is an integer number (35059352100708).

Almost surely, 2^{140237302617641} is an apocalyptic number.

It is an amenable number.

140237302617641 is a deficient number, since it is larger than the sum of its proper divisors (105785191).

140237302617641 is a wasteful number, since it uses less digits than its factorization.

140237302617641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105785190.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 140237302617641 in words is "one hundred forty trillion, two hundred thirty-seven billion, three hundred two million, six hundred seventeen thousand, six hundred forty-one".