153320137 has 2 divisors, whose sum is σ = 153320138. Its totient is φ = 153320136.

The previous prime is 153320131. The next prime is 153320179. The reversal of 153320137 is 731023351.

153320137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153289161 + 30976 = 12381^2 + 176^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-153320137 is a prime.

It is not a weakly prime, because it can be changed into another prime (153320131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76660068 + 76660069.

It is an arithmetic number, because the mean of its divisors is an integer number (76660069).

Almost surely, 2^153320137 is an apocalyptic number.

It is an amenable number.

153320137 is a deficient number, since it is larger than the sum of its proper divisors (1).

153320137 is an equidigital number, since it uses as much as digits as its factorization.

153320137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 153320137 is about 12382.2508858446. The cubic root of 153320137 is about 535.2209027495.

Adding to 153320137 its reverse (731023351), we get a palindrome (884343488).

The spelling of 153320137 in words is "one hundred fifty-three million, three hundred twenty thousand, one hundred thirty-seven".