3651481135 has 4 divisors (see below), whose sum is σ = 4381777368. Its totient is φ = 2921184904.

The previous prime is 3651481133. The next prime is 3651481151. The reversal of 3651481135 is 5311841563.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5311841563 = 7 ⋅758834509.

It is a cyclic number.

It is not a de Polignac number, because 3651481135 - 2¹ = 3651481133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3651481094 and 3651481103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3651481133) 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, 365148109 + ... + 365148118.

It is an arithmetic number, because the mean of its divisors is an integer number (1095444342).

Almost surely, 2^3651481135 is an apocalyptic number.

3651481135 is a deficient number, since it is larger than the sum of its proper divisors (730296233).

3651481135 is an equidigital number, since it uses as much as digits as its factorization.

3651481135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730296232.

The product of its digits is 43200, while the sum is 37.

The square root of 3651481135 is about 60427.4865851626. The cubic root of 3651481135 is about 1539.8899588263.

It can be divided in two parts, 36514 and 81135, that added together give a 6-th power (117649 = 7⁶).

The spelling of 3651481135 in words is "three billion, six hundred fifty-one million, four hundred eighty-one thousand, one hundred thirty-five".