326554138 has 16 divisors (see below), whose sum is σ = 514200960. Its totient is φ = 155239216.

The previous prime is 326554133. The next prime is 326554141. The reversal of 326554138 is 831455623.

It is a junction number, because it is equal to n+sod(n) for n = 326554097 and 326554106.

It is not an unprimeable number, because it can be changed into a prime (326554133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13573 + ... + 28936.

It is an arithmetic number, because the mean of its divisors is an integer number (32137560).

Almost surely, 2^326554138 is an apocalyptic number.

326554138 is a deficient number, since it is larger than the sum of its proper divisors (187646822).

326554138 is a wasteful number, since it uses less digits than its factorization.

326554138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42701.

The product of its digits is 86400, while the sum is 37.

The square root of 326554138 is about 18070.8090023662. The cubic root of 326554138 is about 688.6286127030.

The spelling of 326554138 in words is "three hundred twenty-six million, five hundred fifty-four thousand, one hundred thirty-eight".