135149051 has 2 divisors, whose sum is σ = 135149052. Its totient is φ = 135149050.

The previous prime is 135149041. The next prime is 135149137. The reversal of 135149051 is 150941531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135149051 - 2¹⁸ = 134886907 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (135149011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67574525 + 67574526.

It is an arithmetic number, because the mean of its divisors is an integer number (67574526).

Almost surely, 2^135149051 is an apocalyptic number.

135149051 is a deficient number, since it is larger than the sum of its proper divisors (1).

135149051 is an equidigital number, since it uses as much as digits as its factorization.

135149051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 135149051 is about 11625.3624029533. The cubic root of 135149051 is about 513.1815098415.

The spelling of 135149051 in words is "one hundred thirty-five million, one hundred forty-nine thousand, fifty-one".