135377123 has 8 divisors (see below), whose sum is σ = 156219648. Its totient is φ = 114910344.

The previous prime is 135377119. The next prime is 135377129. The reversal of 135377123 is 321773531.

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

It is a cyclic number.

It is not a de Polignac number, because 135377123 - 2² = 135377119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135377123.

It is not an unprimeable number, because it can be changed into a prime (135377129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93161 + ... + 94602.

It is an arithmetic number, because the mean of its divisors is an integer number (19527456).

Almost surely, 2^135377123 is an apocalyptic number.

135377123 is a deficient number, since it is larger than the sum of its proper divisors (20842525).

135377123 is a wasteful number, since it uses less digits than its factorization.

135377123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187873.

The product of its digits is 13230, while the sum is 32.

The square root of 135377123 is about 11635.1675106120. The cubic root of 135377123 is about 513.4700223035.

The spelling of 135377123 in words is "one hundred thirty-five million, three hundred seventy-seven thousand, one hundred twenty-three".