139747054202 has 48 divisors (see below), whose sum is σ = 253176705600. Its totient is φ = 57826128528.

The previous prime is 139747054169. The next prime is 139747054211. The reversal of 139747054202 is 202450747931.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 455813 + ... + 698039.

It is an arithmetic number, because the mean of its divisors is an integer number (5274514700).

Almost surely, 2^139747054202 is an apocalyptic number.

139747054202 is a deficient number, since it is larger than the sum of its proper divisors (113429651398).

139747054202 is an equidigital number, since it uses as much as digits as its factorization.

139747054202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242308 (or 242265 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 139747054202 in words is "one hundred thirty-nine billion, seven hundred forty-seven million, fifty-four thousand, two hundred two".