135378301 has 4 divisors (see below), whose sum is σ = 139037212. Its totient is φ = 131719392.

The previous prime is 135378251. The next prime is 135378323. The reversal of 135378301 is 103873531.

It is a happy number.

135378301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 60140025 + 75238276 = 7755^2 + 8674^2 .

It is a cyclic number.

It is not a de Polignac number, because 135378301 - 2¹⁵ = 135345533 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 (135378371) 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, 1829400 + ... + 1829473.

It is an arithmetic number, because the mean of its divisors is an integer number (34759303).

Almost surely, 2^135378301 is an apocalyptic number.

It is an amenable number.

135378301 is a deficient number, since it is larger than the sum of its proper divisors (3658911).

135378301 is an equidigital number, since it uses as much as digits as its factorization.

135378301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3658910.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 135378301 is about 11635.2181328929. The cubic root of 135378301 is about 513.4715116392.

The spelling of 135378301 in words is "one hundred thirty-five million, three hundred seventy-eight thousand, three hundred one".