137154187 has 2 divisors, whose sum is σ = 137154188. Its totient is φ = 137154186.

The previous prime is 137154167. The next prime is 137154197. The reversal of 137154187 is 781451731.

It is a strong prime.

It is an emirp because it is prime and its reverse (781451731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137154187 - 2¹¹ = 137152139 is a prime.

It is a super-2 number, since 2×137154187² = 37622542023261938, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (137154167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68577093 + 68577094.

It is an arithmetic number, because the mean of its divisors is an integer number (68577094).

Almost surely, 2^137154187 is an apocalyptic number.

137154187 is a deficient number, since it is larger than the sum of its proper divisors (1).

137154187 is an equidigital number, since it uses as much as digits as its factorization.

137154187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23520, while the sum is 37.

The square root of 137154187 is about 11711.2846007601. The cubic root of 137154187 is about 515.7069964341.

The spelling of 137154187 in words is "one hundred thirty-seven million, one hundred fifty-four thousand, one hundred eighty-seven".