140739635839461 has 4 divisors (see below), whose sum is σ = 187652847785952. Its totient is φ = 93826423892972.

The previous prime is 140739635839457. The next prime is 140739635839483. The reversal of 140739635839461 is 164938536937041.

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 140739635839461 - 2² = 140739635839457 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140739635839421) 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, 23456605973241 + ... + 23456605973246.

It is an arithmetic number, because the mean of its divisors is an integer number (46913211946488).

Almost surely, 2^{140739635839461} is an apocalyptic number.

It is an amenable number.

140739635839461 is a deficient number, since it is larger than the sum of its proper divisors (46913211946491).

140739635839461 is an equidigital number, since it uses as much as digits as its factorization.

140739635839461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46913211946490.

The product of its (nonzero) digits is 352719360, while the sum is 69.

The spelling of 140739635839461 in words is "one hundred forty trillion, seven hundred thirty-nine billion, six hundred thirty-five million, eight hundred thirty-nine thousand, four hundred sixty-one".