2135529 has 36 divisors (see below), whose sum is σ = 3547908. Its totient is φ = 1235520.

The previous prime is 2135521. The next prime is 2135533. The reversal of 2135529 is 9255312.

2135529 is a `hidden beast` number, since 2 + 135 + 529 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1742400 + 393129 = 1320^2 + 627^2 .

It is not a de Polignac number, because 2135529 - 2³ = 2135521 is a prime.

It is a d-powerful number, because it can be written as 2 + 1 + 3¹¹ + 5⁵ + 5⁹ + 2¹¹ + 9² .

It is not an unprimeable number, because it can be changed into a prime (2135521) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 40267 + ... + 40319.

It is an arithmetic number, because the mean of its divisors is an integer number (98553).

2^2135529 is an apocalyptic number.

It is an amenable number.

2135529 is a deficient number, since it is larger than the sum of its proper divisors (1412379).

2135529 is a wasteful number, since it uses less digits than its factorization.

2135529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 104 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 2135529 is about 1461.3449284820. The cubic root of 2135529 is about 128.7760672390.

It can be divided in two parts, 2 and 135529, that added together give a palindrome (135531).

The spelling of 2135529 in words is "two million, one hundred thirty-five thousand, five hundred twenty-nine".