135030446 has 4 divisors (see below), whose sum is σ = 202545672. Its totient is φ = 67515222.

The previous prime is 135030443. The next prime is 135030461. The reversal of 135030446 is 644030531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 644030531 = 379 ⋅1699289.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135030443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33757610 + ... + 33757613.

It is an arithmetic number, because the mean of its divisors is an integer number (50636418).

Almost surely, 2^135030446 is an apocalyptic number.

135030446 is a deficient number, since it is larger than the sum of its proper divisors (67515226).

135030446 is an equidigital number, since it uses as much as digits as its factorization.

135030446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67515225.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 135030446 is about 11620.2601519932. The cubic root of 135030446 is about 513.0313454952.

Adding to 135030446 its reverse (644030531), we get a palindrome (779060977).

The spelling of 135030446 in words is "one hundred thirty-five million, thirty thousand, four hundred forty-six".