135149279 has 2 divisors, whose sum is σ = 135149280. Its totient is φ = 135149278.

The previous prime is 135149249. The next prime is 135149291. The reversal of 135149279 is 972941531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135149279 - 2¹⁶ = 135083743 is a prime.

It is a super-2 number, since 2×135149279² = 36530655228439682, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135149249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67574639 + 67574640.

It is an arithmetic number, because the mean of its divisors is an integer number (67574640).

Almost surely, 2^135149279 is an apocalyptic number.

135149279 is a deficient number, since it is larger than the sum of its proper divisors (1).

135149279 is an equidigital number, since it uses as much as digits as its factorization.

135149279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 41.

The square root of 135149279 is about 11625.3722090951. The cubic root of 135149279 is about 513.1817984249.

The spelling of 135149279 in words is "one hundred thirty-five million, one hundred forty-nine thousand, two hundred seventy-nine".