135508001 has 2 divisors, whose sum is σ = 135508002. Its totient is φ = 135508000.

The previous prime is 135507979. The next prime is 135508013. The reversal of 135508001 is 100805531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135117376 + 390625 = 11624^2 + 625^2 .

It is a cyclic number.

It is not a de Polignac number, because 135508001 - 2⁶ = 135507937 is a prime.

It is not a weakly prime, because it can be changed into another prime (135508301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67754000 + 67754001.

It is an arithmetic number, because the mean of its divisors is an integer number (67754001).

Almost surely, 2^135508001 is an apocalyptic number.

It is an amenable number.

135508001 is a deficient number, since it is larger than the sum of its proper divisors (1).

135508001 is an equidigital number, since it uses as much as digits as its factorization.

135508001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 135508001 is about 11640.7903941270. The cubic root of 135508001 is about 513.6354374626.

The spelling of 135508001 in words is "one hundred thirty-five million, five hundred eight thousand, one".