133113554 has 32 divisors (see below), whose sum is σ = 231783552. Its totient is φ = 56160000.

The previous prime is 133113551. The next prime is 133113557. The reversal of 133113554 is 455311331.

It is an interprime number because it is at equal distance from previous prime (133113551) and next prime (133113557).

It is not an unprimeable number, because it can be changed into a prime (133113551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331754 + ... + 332154.

It is an arithmetic number, because the mean of its divisors is an integer number (7243236).

Almost surely, 2^133113554 is an apocalyptic number.

133113554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

133113554 is a deficient number, since it is larger than the sum of its proper divisors (98669998).

133113554 is a wasteful number, since it uses less digits than its factorization.

133113554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722.

The product of its digits is 2700, while the sum is 26.

The square root of 133113554 is about 11537.4847345511. The cubic root of 133113554 is about 510.5921022648.

Adding to 133113554 its reverse (455311331), we get a palindrome (588424885).

The spelling of 133113554 in words is "one hundred thirty-three million, one hundred thirteen thousand, five hundred fifty-four".