2135415534 has 64 divisors (see below), whose sum is σ = 4952876544. Its totient is φ = 601168896.

The previous prime is 2135415517. The next prime is 2135415547. The reversal of 2135415534 is 4355145312.

It is a junction number, because it is equal to n+sod(n) for n = 2135415495 and 2135415504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2066682 + ... + 2067714.

It is an arithmetic number, because the mean of its divisors is an integer number (77388696).

Almost surely, 2^2135415534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2135415534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2476438272).

2135415534 is an abundant number, since it is smaller than the sum of its proper divisors (2817461010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2135415534 is a wasteful number, since it uses less digits than its factorization.

2135415534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721.

The product of its digits is 36000, while the sum is 33.

The square root of 2135415534 is about 46210.5565212106. The cubic root of 2135415534 is about 1287.7378646704.

The spelling of 2135415534 in words is "two billion, one hundred thirty-five million, four hundred fifteen thousand, five hundred thirty-four".