1146834638 has 16 divisors (see below), whose sum is σ = 1793594880. Its totient is φ = 549281376.

The previous prime is 1146834613. The next prime is 1146834691. The reversal of 1146834638 is 8364386411.

It is a super-5 number, since 5×1146834638⁵ (a number of 46 digits) contains 55555 as substring.

It is a congruent number.

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, 70481 + ... + 85212.

It is an arithmetic number, because the mean of its divisors is an integer number (112099680).

Almost surely, 2^1146834638 is an apocalyptic number.

1146834638 is a deficient number, since it is larger than the sum of its proper divisors (646760242).

1146834638 is a wasteful number, since it uses less digits than its factorization.

1146834638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155851.

The product of its digits is 331776, while the sum is 44.

The square root of 1146834638 is about 33864.9470396751. The cubic root of 1146834638 is about 1046.7274186589.

The spelling of 1146834638 in words is "one billion, one hundred forty-six million, eight hundred thirty-four thousand, six hundred thirty-eight".