135248858 has 4 divisors (see below), whose sum is σ = 202873290. Its totient is φ = 67624428.

The previous prime is 135248857. The next prime is 135248881. The reversal of 135248858 is 858842531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 96098809 + 39150049 = 9803^2 + 6257^2 .

It is not an unprimeable number, because it can be changed into a prime (135248857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33812213 + ... + 33812216.

Almost surely, 2^135248858 is an apocalyptic number.

135248858 is a deficient number, since it is larger than the sum of its proper divisors (67624432).

135248858 is an equidigital number, since it uses as much as digits as its factorization.

135248858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67624431.

The product of its digits is 307200, while the sum is 44.

The square root of 135248858 is about 11629.6542510945. The cubic root of 135248858 is about 513.3078062117.

The spelling of 135248858 in words is "one hundred thirty-five million, two hundred forty-eight thousand, eight hundred fifty-eight".