2113145234 has 4 divisors (see below), whose sum is σ = 3169717854. Its totient is φ = 1056572616.

The previous prime is 2113145231. The next prime is 2113145257. The reversal of 2113145234 is 4325413112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1413384025 + 699761209 = 37595^2 + 26453^2 .

It is not an unprimeable number, because it can be changed into a prime (2113145231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528286307 + ... + 528286310.

Almost surely, 2^2113145234 is an apocalyptic number.

2113145234 is a deficient number, since it is larger than the sum of its proper divisors (1056572620).

2113145234 is a wasteful number, since it uses less digits than its factorization.

2113145234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056572619.

The product of its digits is 2880, while the sum is 26.

The square root of 2113145234 is about 45968.9594617933. The cubic root of 2113145234 is about 1283.2455952311.

Adding to 2113145234 its reverse (4325413112), we get a palindrome (6438558346).

The spelling of 2113145234 in words is "two billion, one hundred thirteen million, one hundred forty-five thousand, two hundred thirty-four".