135312001 has 12 divisors (see below), whose sum is σ = 149385600. Its totient is φ = 122470040.

The previous prime is 135311989. The next prime is 135312029. The reversal of 135312001 is 100213531.

It is not a de Polignac number, because 135312001 - 2⁷ = 135311873 is a prime.

It is a super-2 number, since 2×135312001² = 36618675229248002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135312031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26580 + ... + 31258.

It is an arithmetic number, because the mean of its divisors is an integer number (12448800).

Almost surely, 2^135312001 is an apocalyptic number.

135312001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

135312001 is a deficient number, since it is larger than the sum of its proper divisors (14073599).

135312001 is a wasteful number, since it uses less digits than its factorization.

135312001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4940 (or 4929 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 135312001 is about 11632.3686753816. The cubic root of 135312001 is about 513.3876756529.

Adding to 135312001 its reverse (100213531), we get a palindrome (235525532).

The spelling of 135312001 in words is "one hundred thirty-five million, three hundred twelve thousand, one".