137126147 has 4 divisors (see below), whose sum is σ = 137233656. Its totient is φ = 137018640.

The previous prime is 137126117. The next prime is 137126149. The reversal of 137126147 is 741621731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 137126147 - 2¹⁰ = 137125123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137126149) 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, 51818 + ... + 54399.

It is an arithmetic number, because the mean of its divisors is an integer number (34308414).

Almost surely, 2^137126147 is an apocalyptic number.

137126147 is a deficient number, since it is larger than the sum of its proper divisors (107509).

137126147 is a wasteful number, since it uses less digits than its factorization.

137126147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107508.

The product of its digits is 7056, while the sum is 32.

The square root of 137126147 is about 11710.0874036021. The cubic root of 137126147 is about 515.6718500779.

Adding to 137126147 its reverse (741621731), we get a palindrome (878747878).

The spelling of 137126147 in words is "one hundred thirty-seven million, one hundred twenty-six thousand, one hundred forty-seven".