1641295134 has 24 divisors (see below), whose sum is σ = 3710755152. Its totient is φ = 523311360.

The previous prime is 1641295133. The next prime is 1641295163. The reversal of 1641295134 is 4315921461.

It is a happy number.

1641295134 is a `hidden beast` number, since 1 + 641 + 2 + 9 + 5 + 1 + 3 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641295133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1981827 + ... + 1982654.

It is an arithmetic number, because the mean of its divisors is an integer number (154614798).

Almost surely, 2^1641295134 is an apocalyptic number.

1641295134 is an abundant number, since it is smaller than the sum of its proper divisors (2069460018).

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

1641295134 is a wasteful number, since it uses less digits than its factorization.

1641295134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3964512 (or 3964509 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 1641295134 is about 40512.9008341787. The cubic root of 1641295134 is about 1179.5840566936.

The spelling of 1641295134 in words is "one billion, six hundred forty-one million, two hundred ninety-five thousand, one hundred thirty-four".