137157551 has 2 divisors, whose sum is σ = 137157552. Its totient is φ = 137157550.

The previous prime is 137157521. The next prime is 137157569. The reversal of 137157551 is 155751731.

It is a strong prime.

It is an emirp because it is prime and its reverse (155751731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137157551 - 2¹⁴ = 137141167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137157521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68578775 + 68578776.

It is an arithmetic number, because the mean of its divisors is an integer number (68578776).

Almost surely, 2^137157551 is an apocalyptic number.

137157551 is a deficient number, since it is larger than the sum of its proper divisors (1).

137157551 is an equidigital number, since it uses as much as digits as its factorization.

137157551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18375, while the sum is 35.

The square root of 137157551 is about 11711.4282220402. The cubic root of 137157551 is about 515.7112126723.

The spelling of 137157551 in words is "one hundred thirty-seven million, one hundred fifty-seven thousand, five hundred fifty-one".