135283877 has 4 divisors (see below), whose sum is σ = 138940236. Its totient is φ = 131627520.

The previous prime is 135283867. The next prime is 135283901. The reversal of 135283877 is 778382531.

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 113763556 + 21520321 = 10666^2 + 4639^2 .

It is a cyclic number.

It is not a de Polignac number, because 135283877 - 2¹⁶ = 135218341 is a prime.

It is a super-2 number, since 2×135283877² = 36603454752302258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135283817) 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, 1828124 + ... + 1828197.

It is an arithmetic number, because the mean of its divisors is an integer number (34735059).

Almost surely, 2^135283877 is an apocalyptic number.

It is an amenable number.

135283877 is a deficient number, since it is larger than the sum of its proper divisors (3656359).

135283877 is an equidigital number, since it uses as much as digits as its factorization.

135283877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3656358.

The product of its digits is 282240, while the sum is 44.

The square root of 135283877 is about 11631.1597444107. The cubic root of 135283877 is about 513.3521047370.

The spelling of 135283877 in words is "one hundred thirty-five million, two hundred eighty-three thousand, eight hundred seventy-seven".