135230373 has 6 divisors (see below), whose sum is σ = 195332774. Its totient is φ = 90153576.

The previous prime is 135230369. The next prime is 135230387. The reversal of 135230373 is 373032531.

135230373 is a `hidden beast` number, since 1 + 352 + 303 + 7 + 3 = 666.

135230373 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 132296004 + 2934369 = 11502^2 + 1713^2 .

It is not a de Polignac number, because 135230373 - 2² = 135230369 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135230273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7512790 + ... + 7512807.

Almost surely, 2^135230373 is an apocalyptic number.

It is an amenable number.

135230373 is a deficient number, since it is larger than the sum of its proper divisors (60102401).

135230373 is a wasteful number, since it uses less digits than its factorization.

135230373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15025603 (or 15025600 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 27.

The square root of 135230373 is about 11628.8594883591. The cubic root of 135230373 is about 513.2844198723.

The spelling of 135230373 in words is "one hundred thirty-five million, two hundred thirty thousand, three hundred seventy-three".