137525250157 has 2 divisors, whose sum is σ = 137525250158. Its totient is φ = 137525250156.

The previous prime is 137525250089. The next prime is 137525250167. The reversal of 137525250157 is 751052525731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130155714441 + 7369535716 = 360771^2 + 85846^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137525250157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137525250167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68762625078 + 68762625079.

It is an arithmetic number, because the mean of its divisors is an integer number (68762625079).

Almost surely, 2^137525250157 is an apocalyptic number.

It is an amenable number.

137525250157 is a deficient number, since it is larger than the sum of its proper divisors (1).

137525250157 is an equidigital number, since it uses as much as digits as its factorization.

137525250157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367500, while the sum is 43.

Adding to 137525250157 its reverse (751052525731), we get a palindrome (888577775888).

The spelling of 137525250157 in words is "one hundred thirty-seven billion, five hundred twenty-five million, two hundred fifty thousand, one hundred fifty-seven".