137147147 has 4 divisors (see below), whose sum is σ = 137615520. Its totient is φ = 136678776.

The previous prime is 137147141. The next prime is 137147201. The reversal of 137147147 is 741741731.

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 137147147 - 2¹² = 137143051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137147141) 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, 233747 + ... + 234332.

It is an arithmetic number, because the mean of its divisors is an integer number (34403880).

Almost surely, 2^137147147 is an apocalyptic number.

137147147 is a deficient number, since it is larger than the sum of its proper divisors (468373).

137147147 is an equidigital number, since it uses as much as digits as its factorization.

137147147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468372.

The product of its digits is 16464, while the sum is 35.

The square root of 137147147 is about 11710.9840320957. The cubic root of 137147147 is about 515.6981726924.

Adding to 137147147 its reverse (741741731), we get a palindrome (878888878).

The spelling of 137147147 in words is "one hundred thirty-seven million, one hundred forty-seven thousand, one hundred forty-seven".