135361061 has 4 divisors (see below), whose sum is σ = 147666624. Its totient is φ = 123055500.

The previous prime is 135361043. The next prime is 135361087. The reversal of 135361061 is 160163531.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135361061 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 135361061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135361001) 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, 6152765 + ... + 6152786.

It is an arithmetic number, because the mean of its divisors is an integer number (36916656).

Almost surely, 2^135361061 is an apocalyptic number.

135361061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

135361061 is a deficient number, since it is larger than the sum of its proper divisors (12305563).

135361061 is a wasteful number, since it uses less digits than its factorization.

135361061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12305562.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 135361061 is about 11634.4772551241. The cubic root of 135361061 is about 513.4497143876.

The spelling of 135361061 in words is "one hundred thirty-five million, three hundred sixty-one thousand, sixty-one".