135406951 has 2 divisors, whose sum is σ = 135406952. Its totient is φ = 135406950.

The previous prime is 135406949. The next prime is 135406987. The reversal of 135406951 is 159604531.

It is a weak prime.

It is an emirp because it is prime and its reverse (159604531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135406951 - 2¹ = 135406949 is a prime.

Together with 135406949, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135406991) 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, 67703475 + 67703476.

It is an arithmetic number, because the mean of its divisors is an integer number (67703476).

Almost surely, 2^135406951 is an apocalyptic number.

135406951 is a deficient number, since it is larger than the sum of its proper divisors (1).

135406951 is an equidigital number, since it uses as much as digits as its factorization.

135406951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 135406951 is about 11636.4492436482. The cubic root of 135406951 is about 513.5077309374.

The spelling of 135406951 in words is "one hundred thirty-five million, four hundred six thousand, nine hundred fifty-one".