135874651 has 12 divisors (see below), whose sum is σ = 149682456. Its totient is φ = 123247520.

The previous prime is 135874637. The next prime is 135874663. The reversal of 135874651 is 156478531.

It is a happy number.

It is not a de Polignac number, because 135874651 - 2¹¹ = 135872603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135874601) 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 in 11 ways as a sum of consecutive naturals, for example, 70071 + ... + 71983.

It is an arithmetic number, because the mean of its divisors is an integer number (12473538).

Almost surely, 2^135874651 is an apocalyptic number.

135874651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

135874651 is a deficient number, since it is larger than the sum of its proper divisors (13807805).

135874651 is a wasteful number, since it uses less digits than its factorization.

135874651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522 (or 2511 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The square root of 135874651 is about 11656.5282567324. The cubic root of 135874651 is about 514.0982756568.

The spelling of 135874651 in words is "one hundred thirty-five million, eight hundred seventy-four thousand, six hundred fifty-one".