137123301499 has 2 divisors, whose sum is σ = 137123301500. Its totient is φ = 137123301498.

The previous prime is 137123301443. The next prime is 137123301533. The reversal of 137123301499 is 994103321731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137123301499 - 2¹¹ = 137123299451 is a prime.

It is not a weakly prime, because it can be changed into another prime (137123301199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68561650749 + 68561650750.

It is an arithmetic number, because the mean of its divisors is an integer number (68561650750).

Almost surely, 2^137123301499 is an apocalyptic number.

137123301499 is a deficient number, since it is larger than the sum of its proper divisors (1).

137123301499 is an equidigital number, since it uses as much as digits as its factorization.

137123301499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 43.

The spelling of 137123301499 in words is "one hundred thirty-seven billion, one hundred twenty-three million, three hundred one thousand, four hundred ninety-nine".