167135137 has 4 divisors (see below), whose sum is σ = 179991700. Its totient is φ = 154278576.

The previous prime is 167135131. The next prime is 167135159. The reversal of 167135137 is 731531761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 731531761 = 199 ⋅3676039.

It can be written as a sum of positive squares in 2 ways, for example, as 46662561 + 120472576 = 6831^2 + 10976^2 .

It is a cyclic number.

It is not a de Polignac number, because 167135137 - 2⁷ = 167135009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (167135131) 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, 6428262 + ... + 6428287.

It is an arithmetic number, because the mean of its divisors is an integer number (44997925).

Almost surely, 2^167135137 is an apocalyptic number.

It is an amenable number.

167135137 is a deficient number, since it is larger than the sum of its proper divisors (12856563).

167135137 is a wasteful number, since it uses less digits than its factorization.

167135137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12856562.

The product of its digits is 13230, while the sum is 34.

The square root of 167135137 is about 12928.0755335046. The cubic root of 167135137 is about 550.8363441180.

Adding to 167135137 its reverse (731531761), we get a palindrome (898666898).

The spelling of 167135137 in words is "one hundred sixty-seven million, one hundred thirty-five thousand, one hundred thirty-seven".