135387097 has 4 divisors (see below), whose sum is σ = 135442960. Its totient is φ = 135331236.

The previous prime is 135387089. The next prime is 135387139. The reversal of 135387097 is 790783531.

135387097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 790783531 = 1601 ⋅493931.

It is a cyclic number.

It is not a de Polignac number, because 135387097 - 2³ = 135387089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135387697) 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, 24123 + ... + 29200.

It is an arithmetic number, because the mean of its divisors is an integer number (33860740).

Almost surely, 2^135387097 is an apocalyptic number.

It is an amenable number.

135387097 is a deficient number, since it is larger than the sum of its proper divisors (55863).

135387097 is an equidigital number, since it uses as much as digits as its factorization.

135387097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55862.

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 135387097 is about 11635.5961170883. The cubic root of 135387097 is about 513.4826320762.

The spelling of 135387097 in words is "one hundred thirty-five million, three hundred eighty-seven thousand, ninety-seven".