135361023 has 16 divisors (see below), whose sum is σ = 206601216. Its totient is φ = 77222880.

The previous prime is 135361001. The next prime is 135361043. The reversal of 135361023 is 320163531.

It is a happy number.

It is not a de Polignac number, because 135361023 - 2¹⁴ = 135344639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135360984 and 135361002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135361043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8778 + ... + 18648.

It is an arithmetic number, because the mean of its divisors is an integer number (12912576).

Almost surely, 2^135361023 is an apocalyptic number.

135361023 is a deficient number, since it is larger than the sum of its proper divisors (71240193).

135361023 is an equidigital number, since it uses as much as digits as its factorization.

135361023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10534.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 135361023 is about 11634.4756220467. The cubic root of 135361023 is about 513.4496663406.

The spelling of 135361023 in words is "one hundred thirty-five million, three hundred sixty-one thousand, twenty-three".