137652551 has 2 divisors, whose sum is σ = 137652552. Its totient is φ = 137652550.

The previous prime is 137652533. The next prime is 137652563. The reversal of 137652551 is 155256731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137652551 - 2¹⁴ = 137636167 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137652521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68826275 + 68826276.

It is an arithmetic number, because the mean of its divisors is an integer number (68826276).

Almost surely, 2^137652551 is an apocalyptic number.

137652551 is a deficient number, since it is larger than the sum of its proper divisors (1).

137652551 is an equidigital number, since it uses as much as digits as its factorization.

137652551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31500, while the sum is 35.

The square root of 137652551 is about 11732.5423928490. The cubic root of 137652551 is about 516.3308664096.

The spelling of 137652551 in words is "one hundred thirty-seven million, six hundred fifty-two thousand, five hundred fifty-one".