139614361549049 has 4 divisors (see below), whose sum is σ = 140503624998564. Its totient is φ = 138725098099536.

The previous prime is 139614361549021. The next prime is 139614361549063. The reversal of 139614361549049 is 940945163416931.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 105268256641024 + 34346104908025 = 10260032^2 + 5860555^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139614361549049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139614361549009) 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, 444631724522 + ... + 444631724835.

It is an arithmetic number, because the mean of its divisors is an integer number (35125906249641).

Almost surely, 2^{139614361549049} is an apocalyptic number.

It is an amenable number.

139614361549049 is a deficient number, since it is larger than the sum of its proper divisors (889263449515).

139614361549049 is an equidigital number, since it uses as much as digits as its factorization.

139614361549049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889263449514.

The product of its (nonzero) digits is 75582720, while the sum is 65.

The spelling of 139614361549049 in words is "one hundred thirty-nine trillion, six hundred fourteen billion, three hundred sixty-one million, five hundred forty-nine thousand, forty-nine".