3854129135 has 4 divisors (see below), whose sum is σ = 4624954968. Its totient is φ = 3083303304.

The previous prime is 3854129131. The next prime is 3854129137. The reversal of 3854129135 is 5319214583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5319214583 = 653 ⋅8145811.

It is a cyclic number.

It is not a de Polignac number, because 3854129135 - 2² = 3854129131 is a prime.

It is a super-2 number, since 2×3854129135² = 29708622778511696450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3854129092 and 3854129101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3854129131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385412909 + ... + 385412918.

It is an arithmetic number, because the mean of its divisors is an integer number (1156238742).

Almost surely, 2^3854129135 is an apocalyptic number.

3854129135 is a deficient number, since it is larger than the sum of its proper divisors (770825833).

3854129135 is an equidigital number, since it uses as much as digits as its factorization.

3854129135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770825832.

The product of its digits is 129600, while the sum is 41.

The square root of 3854129135 is about 62081.6328312972. The cubic root of 3854129135 is about 1567.8653200161.

It can be divided in two parts, 38541 and 29135, that added together give a palindrome (67676).

The spelling of 3854129135 in words is "three billion, eight hundred fifty-four million, one hundred twenty-nine thousand, one hundred thirty-five".