1835554138 has 16 divisors (see below), whose sum is σ = 3015330624. Its totient is φ = 831093760.

The previous prime is 1835554129. The next prime is 1835554151. The reversal of 1835554138 is 8314555381.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1835554094 and 1835554103.

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, 156670 + ... + 167977.

It is an arithmetic number, because the mean of its divisors is an integer number (188458164).

Almost surely, 2^1835554138 is an apocalyptic number.

1835554138 is a deficient number, since it is larger than the sum of its proper divisors (1179776486).

1835554138 is a wasteful number, since it uses less digits than its factorization.

1835554138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324917.

The product of its digits is 288000, while the sum is 43.

The square root of 1835554138 is about 42843.3674913632. The cubic root of 1835554138 is about 1224.3974019129.

The spelling of 1835554138 in words is "one billion, eight hundred thirty-five million, five hundred fifty-four thousand, one hundred thirty-eight".