4113142521 has 8 divisors (see below), whose sum is σ = 5501491584. Its totient is φ = 2733444240.

The previous prime is 4113142513. The next prime is 4113142531. The reversal of 4113142521 is 1252413114.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4113142521 - 2³ = 4113142513 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4113142491 and 4113142500.

It is not an unprimeable number, because it can be changed into a prime (4113142531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2161585 + ... + 2163486.

It is an arithmetic number, because the mean of its divisors is an integer number (687686448).

Almost surely, 2^4113142521 is an apocalyptic number.

It is an amenable number.

4113142521 is a deficient number, since it is larger than the sum of its proper divisors (1388349063).

4113142521 is a wasteful number, since it uses less digits than its factorization.

4113142521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4325391.

The product of its digits is 960, while the sum is 24.

The square root of 4113142521 is about 64133.7861115341. The cubic root of 4113142521 is about 1602.2289923921.

Adding to 4113142521 its reverse (1252413114), we get a palindrome (5365555635).

The spelling of 4113142521 in words is "four billion, one hundred thirteen million, one hundred forty-two thousand, five hundred twenty-one".