135000897 has 4 divisors (see below), whose sum is σ = 180001200. Its totient is φ = 90000596.

The previous prime is 135000857. The next prime is 135000907. The reversal of 135000897 is 798000531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 798000531 = 3 ⋅266000177.

It is a cyclic number.

It is not a de Polignac number, because 135000897 - 2¹⁴ = 134984513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135000847) 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, 22500147 + ... + 22500152.

It is an arithmetic number, because the mean of its divisors is an integer number (45000300).

Almost surely, 2^135000897 is an apocalyptic number.

It is an amenable number.

135000897 is a deficient number, since it is larger than the sum of its proper divisors (45000303).

135000897 is an equidigital number, since it uses as much as digits as its factorization.

135000897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45000302.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 135000897 is about 11618.9886392921. The cubic root of 135000897 is about 512.9939201845.

The spelling of 135000897 in words is "one hundred thirty-five million, eight hundred ninety-seven", and thus it is an aban number.