137702206966 has 4 divisors (see below), whose sum is σ = 206553310452. Its totient is φ = 68851103482.

The previous prime is 137702206799. The next prime is 137702207011. The reversal of 137702206966 is 669602207731.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34425551740 + ... + 34425551743.

It is an arithmetic number, because the mean of its divisors is an integer number (51638327613).

Almost surely, 2^137702206966 is an apocalyptic number.

137702206966 is a deficient number, since it is larger than the sum of its proper divisors (68851103486).

137702206966 is an equidigital number, since it uses as much as digits as its factorization.

137702206966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68851103485.

The product of its (nonzero) digits is 1143072, while the sum is 49.

The spelling of 137702206966 in words is "one hundred thirty-seven billion, seven hundred two million, two hundred six thousand, nine hundred sixty-six".