139222436746 has 8 divisors (see below), whose sum is σ = 208836531360. Its totient is φ = 69610259628.

The previous prime is 139222436723. The next prime is 139222436747. The reversal of 139222436746 is 647634222931.

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

It is a self number, because there is not a number n which added to its sum of digits gives 139222436746.

It is not an unprimeable number, because it can be changed into a prime (139222436747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281526 + ... + 598081.

It is an arithmetic number, because the mean of its divisors is an integer number (26104566420).

Almost surely, 2^139222436746 is an apocalyptic number.

139222436746 is a deficient number, since it is larger than the sum of its proper divisors (69614094614).

139222436746 is an equidigital number, since it uses as much as digits as its factorization.

139222436746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958748.

The product of its digits is 2612736, while the sum is 49.

The spelling of 139222436746 in words is "one hundred thirty-nine billion, two hundred twenty-two million, four hundred thirty-six thousand, seven hundred forty-six".