2152131354 has 48 divisors (see below), whose sum is σ = 5107513320. Its totient is φ = 651893760.

The previous prime is 2152131353. The next prime is 2152131379. The reversal of 2152131354 is 4531312512.

2152131354 is a `hidden beast` number, since 2 + 1 + 521 + 3 + 135 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2081823129 + 70308225 = 45627^2 + 8385^2 .

It is a super-4 number, since 4×2152131354⁴ (a number of 38 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (2152131353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112387 + ... + 130134.

Almost surely, 2^2152131354 is an apocalyptic number.

2152131354 is an abundant number, since it is smaller than the sum of its proper divisors (2955381966).

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

2152131354 is a wasteful number, since it uses less digits than its factorization.

2152131354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242575 (or 242572 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 2152131354 is about 46391.0697656349. The cubic root of 2152131354 is about 1291.0892296652.

Adding to 2152131354 its reverse (4531312512), we get a palindrome (6683443866).

The spelling of 2152131354 in words is "two billion, one hundred fifty-two million, one hundred thirty-one thousand, three hundred fifty-four".