135032398 has 4 divisors (see below), whose sum is σ = 202548600. Its totient is φ = 67516198.

The previous prime is 135032383. The next prime is 135032399. The reversal of 135032398 is 893230531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 893230531 = 27791 ⋅32141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135032399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33758098 + ... + 33758101.

It is an arithmetic number, because the mean of its divisors is an integer number (50637150).

Almost surely, 2^135032398 is an apocalyptic number.

135032398 is a deficient number, since it is larger than the sum of its proper divisors (67516202).

135032398 is an equidigital number, since it uses as much as digits as its factorization.

135032398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67516201.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 135032398 is about 11620.3441429245. The cubic root of 135032398 is about 513.0338176101.

The spelling of 135032398 in words is "one hundred thirty-five million, thirty-two thousand, three hundred ninety-eight".