137131147 has 2 divisors, whose sum is σ = 137131148. Its totient is φ = 137131146.

The previous prime is 137131133. The next prime is 137131187. The reversal of 137131147 is 741131731.

It is a weak prime.

It is an emirp because it is prime and its reverse (741131731) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137131147 is a prime.

It is not a weakly prime, because it can be changed into another prime (137131117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68565573 + 68565574.

It is an arithmetic number, because the mean of its divisors is an integer number (68565574).

Almost surely, 2^137131147 is an apocalyptic number.

137131147 is a deficient number, since it is larger than the sum of its proper divisors (1).

137131147 is an equidigital number, since it uses as much as digits as its factorization.

137131147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1764, while the sum is 28.

The square root of 137131147 is about 11710.3008928037. The cubic root of 137131147 is about 515.6781176108.

Adding to 137131147 its reverse (741131731), we get a palindrome (878262878).

The spelling of 137131147 in words is "one hundred thirty-seven million, one hundred thirty-one thousand, one hundred forty-seven".