135251651 has 2 divisors, whose sum is σ = 135251652. Its totient is φ = 135251650.

The previous prime is 135251639. The next prime is 135251657. The reversal of 135251651 is 156152531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135251651 - 2²² = 131057347 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (135251657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67625825 + 67625826.

It is an arithmetic number, because the mean of its divisors is an integer number (67625826).

Almost surely, 2^135251651 is an apocalyptic number.

135251651 is a deficient number, since it is larger than the sum of its proper divisors (1).

135251651 is an equidigital number, since it uses as much as digits as its factorization.

135251651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4500, while the sum is 29.

The square root of 135251651 is about 11629.7743314305. The cubic root of 135251651 is about 513.3113395967.

The spelling of 135251651 in words is "one hundred thirty-five million, two hundred fifty-one thousand, six hundred fifty-one".