1816001134 has 16 divisors (see below), whose sum is σ = 2788446528. Its totient is φ = 886609152.

The previous prime is 1816001113. The next prime is 1816001147. The reversal of 1816001134 is 4311006181.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1816001099 and 1816001108.

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, 18394 + ... + 63010.

It is an arithmetic number, because the mean of its divisors is an integer number (174277908).

Almost surely, 2^1816001134 is an apocalyptic number.

1816001134 is a deficient number, since it is larger than the sum of its proper divisors (972445394).

1816001134 is a wasteful number, since it uses less digits than its factorization.

1816001134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45099.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1816001134 is about 42614.5648106372. The cubic root of 1816001134 is about 1220.0342940284.

The spelling of 1816001134 in words is "one billion, eight hundred sixteen million, one thousand, one hundred thirty-four".