135543377 has 4 divisors (see below), whose sum is σ = 139915776. Its totient is φ = 131170980.

The previous prime is 135543371. The next prime is 135543383. The reversal of 135543377 is 773345531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (135543371) and next prime (135543383).

It is a cyclic number.

It is not a de Polignac number, because 135543377 - 2¹⁶ = 135477841 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 135543377.

It is not an unprimeable number, because it can be changed into a prime (135543371) 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, 2186153 + ... + 2186214.

It is an arithmetic number, because the mean of its divisors is an integer number (34978944).

Almost surely, 2^135543377 is an apocalyptic number.

It is an amenable number.

135543377 is a deficient number, since it is larger than the sum of its proper divisors (4372399).

135543377 is an equidigital number, since it uses as much as digits as its factorization.

135543377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4372398.

The product of its digits is 132300, while the sum is 38.

The square root of 135543377 is about 11642.3097794209. The cubic root of 135543377 is about 513.6801304848.

The spelling of 135543377 in words is "one hundred thirty-five million, five hundred forty-three thousand, three hundred seventy-seven".