136889002322 has 6 divisors (see below), whose sum is σ = 205334288343. Its totient is φ = 68444239542.

The previous prime is 136889002321. The next prime is 136889002337. The reversal of 136889002322 is 223200988631.

It can be written as a sum of positive squares in only one way, i.e., 68444501161 + 68444501161 = 261619^2 + 261619^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=261619.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136889002321) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 392429 + ... + 654047.

Almost surely, 2^136889002322 is an apocalyptic number.

136889002322 is a deficient number, since it is larger than the sum of its proper divisors (68445286021).

136889002322 is an frugal number, since it uses more digits than its factorization.

136889002322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523240 (or 261621 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 136889002322 in words is "one hundred thirty-six billion, eight hundred eighty-nine million, two thousand, three hundred twenty-two".