137670077 has 2 divisors, whose sum is σ = 137670078. Its totient is φ = 137670076.

The previous prime is 137670073. The next prime is 137670089. The reversal of 137670077 is 770076731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97042201 + 40627876 = 9851^2 + 6374^2 .

It is a cyclic number.

It is not a de Polignac number, because 137670077 - 2² = 137670073 is a prime.

It is a Chen prime.

It is equal to p_7788035 and since 137670077 and 7788035 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 137670077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137670073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68835038 + 68835039.

It is an arithmetic number, because the mean of its divisors is an integer number (68835039).

Almost surely, 2^137670077 is an apocalyptic number.

It is an amenable number.

137670077 is a deficient number, since it is larger than the sum of its proper divisors (1).

137670077 is an equidigital number, since it uses as much as digits as its factorization.

137670077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43218, while the sum is 38.

The square root of 137670077 is about 11733.2892660157. The cubic root of 137670077 is about 516.3527786581.

The spelling of 137670077 in words is "one hundred thirty-seven million, six hundred seventy thousand, seventy-seven".