137630153 has 4 divisors (see below), whose sum is σ = 140987028. Its totient is φ = 134273280.

The previous prime is 137630149. The next prime is 137630159. The reversal of 137630153 is 351036731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 351036731 = 449 ⋅781819.

It can be written as a sum of positive squares in 2 ways, for example, as 34668544 + 102961609 = 5888^2 + 10147^2 .

It is a cyclic number.

It is not a de Polignac number, because 137630153 - 2² = 137630149 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137630159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1678376 + ... + 1678457.

It is an arithmetic number, because the mean of its divisors is an integer number (35246757).

Almost surely, 2^137630153 is an apocalyptic number.

It is an amenable number.

137630153 is a deficient number, since it is larger than the sum of its proper divisors (3356875).

137630153 is an equidigital number, since it uses as much as digits as its factorization.

137630153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3356874.

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 137630153 is about 11731.5878294458. The cubic root of 137630153 is about 516.3028601334.

Adding to 137630153 its reverse (351036731), we get a palindrome (488666884).

The spelling of 137630153 in words is "one hundred thirty-seven million, six hundred thirty thousand, one hundred fifty-three".