135214951 has 4 divisors (see below), whose sum is σ = 135484272. Its totient is φ = 134945632.

The previous prime is 135214949. The next prime is 135214969. The reversal of 135214951 is 159412531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135214951 - 2¹ = 135214949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135214931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133906 + ... + 134911.

It is an arithmetic number, because the mean of its divisors is an integer number (33871068).

Almost surely, 2^135214951 is an apocalyptic number.

135214951 is a deficient number, since it is larger than the sum of its proper divisors (269321).

135214951 is an equidigital number, since it uses as much as digits as its factorization.

135214951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269320.

The product of its digits is 5400, while the sum is 31.

The square root of 135214951 is about 11628.1963777707. The cubic root of 135214951 is about 513.2649070634.

The spelling of 135214951 in words is "one hundred thirty-five million, two hundred fourteen thousand, nine hundred fifty-one".