1641215134 has 8 divisors (see below), whose sum is σ = 2651193720. Its totient is φ = 757483896.

The previous prime is 1641215129. The next prime is 1641215141. The reversal of 1641215134 is 4315121461.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31561804 + ... + 31561855.

It is an arithmetic number, because the mean of its divisors is an integer number (331399215).

Almost surely, 2^1641215134 is an apocalyptic number.

1641215134 is a deficient number, since it is larger than the sum of its proper divisors (1009978586).

1641215134 is a wasteful number, since it uses less digits than its factorization.

1641215134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63123674.

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

The square root of 1641215134 is about 40511.9134823326. The cubic root of 1641215134 is about 1179.5648912887.

Adding to 1641215134 its reverse (4315121461), we get a palindrome (5956336595).

The spelling of 1641215134 in words is "one billion, six hundred forty-one million, two hundred fifteen thousand, one hundred thirty-four".