139806727133 has 4 divisors (see below), whose sum is σ = 139846013280. Its totient is φ = 139767440988.

The previous prime is 139806727127. The next prime is 139806727139. The reversal of 139806727133 is 331727608931.

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 an interprime number because it is at equal distance from previous prime (139806727127) and next prime (139806727139).

It is a cyclic number.

It is not a de Polignac number, because 139806727133 - 2⁶ = 139806727069 is a prime.

It is a super-2 number, since 2×139806727133² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139806727139) 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, 19637735 + ... + 19644852.

It is an arithmetic number, because the mean of its divisors is an integer number (34961503320).

Almost surely, 2^139806727133 is an apocalyptic number.

It is an amenable number.

139806727133 is a deficient number, since it is larger than the sum of its proper divisors (39286147).

139806727133 is an equidigital number, since it uses as much as digits as its factorization.

139806727133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39286146.

The product of its (nonzero) digits is 1143072, while the sum is 50.

The spelling of 139806727133 in words is "one hundred thirty-nine billion, eight hundred six million, seven hundred twenty-seven thousand, one hundred thirty-three".