136951 has 2 divisors, whose sum is σ = 136952. Its totient is φ = 136950.

The previous prime is 136949. The next prime is 136963. The reversal of 136951 is 159631.

It is a weak prime.

It is an emirp because it is prime and its reverse (159631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136951 - 2¹ = 136949 is a prime.

Together with 136949, it forms a pair of twin primes.

136951 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68475 + 68476.

It is an arithmetic number, because the mean of its divisors is an integer number (68476).

2¹³⁶⁹⁵¹ is an apocalyptic number.

136951 is the 166-th centered decagonal number.

136951 is a deficient number, since it is larger than the sum of its proper divisors (1).

136951 is an equidigital number, since it uses as much as digits as its factorization.

136951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 810, while the sum is 25.

The square root of 136951 is about 370.0689125014. The cubic root of 136951 is about 51.5452205951.

The spelling of 136951 in words is "one hundred thirty-six thousand, nine hundred fifty-one".