4135161540 has 24 divisors (see below), whose sum is σ = 11578452480. Its totient is φ = 1102709728.

The previous prime is 4135161523. The next prime is 4135161581. The reversal of 4135161540 is 451615314.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4135161498 and 4135161507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34459620 + ... + 34459739.

It is an arithmetic number, because the mean of its divisors is an integer number (482435520).

Almost surely, 2^4135161540 is an apocalyptic number.

It is an amenable number.

4135161540 is an abundant number, since it is smaller than the sum of its proper divisors (7443290940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4135161540 is a wasteful number, since it uses less digits than its factorization.

4135161540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68919371 (or 68919369 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 4135161540 is about 64305.2217164361. The cubic root of 4135161540 is about 1605.0829937383.

Adding to 4135161540 its reverse (451615314), we get a palindrome (4586776854).

The spelling of 4135161540 in words is "four billion, one hundred thirty-five million, one hundred sixty-one thousand, five hundred forty".