4135012381 has 8 divisors (see below), whose sum is σ = 4375569024. Its totient is φ = 3899520240.

The previous prime is 4135012369. The next prime is 4135012393. The reversal of 4135012381 is 1832105314.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4135012369) and next prime (4135012393).

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

It is a cyclic number.

It is not a de Polignac number, because 4135012381 - 2⁷ = 4135012253 is a prime.

It is a super-2 number, since 2×4135012381² = 34196654782046578322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4135012331) 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, 1264446 + ... + 1267711.

It is an arithmetic number, because the mean of its divisors is an integer number (546946128).

Almost surely, 2^4135012381 is an apocalyptic number.

It is an amenable number.

4135012381 is a deficient number, since it is larger than the sum of its proper divisors (240556643).

4135012381 is a wasteful number, since it uses less digits than its factorization.

4135012381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532251.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 4135012381 is about 64304.0619323539. The cubic root of 4135012381 is about 1605.0636945766.

Adding to 4135012381 its reverse (1832105314), we get a palindrome (5967117695).

The spelling of 4135012381 in words is "four billion, one hundred thirty-five million, twelve thousand, three hundred eighty-one".