137278233241 has 2 divisors, whose sum is σ = 137278233242. Its totient is φ = 137278233240.

The previous prime is 137278233233. The next prime is 137278233259. The reversal of 137278233241 is 142332872731.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99795337216 + 37482896025 = 315904^2 + 193605^2 .

It is a cyclic number.

It is not a de Polignac number, because 137278233241 - 2³ = 137278233233 is a prime.

It is not a weakly prime, because it can be changed into another prime (137278233541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68639116620 + 68639116621.

It is an arithmetic number, because the mean of its divisors is an integer number (68639116621).

Almost surely, 2^137278233241 is an apocalyptic number.

It is an amenable number.

137278233241 is a deficient number, since it is larger than the sum of its proper divisors (1).

137278233241 is an equidigital number, since it uses as much as digits as its factorization.

137278233241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 43.

The spelling of 137278233241 in words is "one hundred thirty-seven billion, two hundred seventy-eight million, two hundred thirty-three thousand, two hundred forty-one".