135345278 has 8 divisors (see below), whose sum is σ = 205464168. Its totient is φ = 66857224.

The previous prime is 135345277. The next prime is 135345307. The reversal of 135345278 is 872543531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135345277) 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, 407501 + ... + 407832.

It is an arithmetic number, because the mean of its divisors is an integer number (25683021).

Almost surely, 2^135345278 is an apocalyptic number.

135345278 is a deficient number, since it is larger than the sum of its proper divisors (70118890).

135345278 is an equidigital number, since it uses as much as digits as its factorization.

135345278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815418.

The product of its digits is 100800, while the sum is 38.

The square root of 135345278 is about 11633.7989496123. The cubic root of 135345278 is about 513.4297576591.

The spelling of 135345278 in words is "one hundred thirty-five million, three hundred forty-five thousand, two hundred seventy-eight".