139291813023 has 8 divisors (see below), whose sum is σ = 202606273536. Its totient is φ = 84419280600.

The previous prime is 139291813019. The next prime is 139291813051. The reversal of 139291813023 is 320318192931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 139291813023 - 2² = 139291813019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139291813123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2110481983 + ... + 2110482048.

It is an arithmetic number, because the mean of its divisors is an integer number (25325784192).

Almost surely, 2^139291813023 is an apocalyptic number.

139291813023 is a deficient number, since it is larger than the sum of its proper divisors (63314460513).

139291813023 is a wasteful number, since it uses less digits than its factorization.

139291813023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4220964045.

The product of its (nonzero) digits is 69984, while the sum is 42.

The spelling of 139291813023 in words is "one hundred thirty-nine billion, two hundred ninety-one million, eight hundred thirteen thousand, twenty-three".