137213151 has 4 divisors (see below), whose sum is σ = 182950872. Its totient is φ = 91475432.

The previous prime is 137213113. The next prime is 137213159. The reversal of 137213151 is 151312731.

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: 151312731 = 3 ⋅50437577.

It is a cyclic number.

It is not a de Polignac number, because 137213151 - 2¹⁷ = 137082079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137213159) 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, 22868856 + ... + 22868861.

It is an arithmetic number, because the mean of its divisors is an integer number (45737718).

Almost surely, 2^137213151 is an apocalyptic number.

137213151 is a deficient number, since it is larger than the sum of its proper divisors (45737721).

137213151 is an equidigital number, since it uses as much as digits as its factorization.

137213151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45737720.

The product of its digits is 630, while the sum is 24.

The square root of 137213151 is about 11713.8017312912. The cubic root of 137213151 is about 515.7808884322.

Adding to 137213151 its reverse (151312731), we get a palindrome (288525882).

The spelling of 137213151 in words is "one hundred thirty-seven million, two hundred thirteen thousand, one hundred fifty-one".