133054623 has 16 divisors (see below), whose sum is σ = 212281440. Its totient is φ = 81879552.

The previous prime is 133054619. The next prime is 133054637. The reversal of 133054623 is 326450331.

It is a happy number.

133054623 is a `hidden beast` number, since 1 + 3 + 30 + 5 + 4 + 623 = 666.

It is not a de Polignac number, because 133054623 - 2² = 133054619 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133054613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189186 + ... + 189887.

It is an arithmetic number, because the mean of its divisors is an integer number (13267590).

Almost surely, 2^133054623 is an apocalyptic number.

133054623 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

133054623 is a deficient number, since it is larger than the sum of its proper divisors (79226817).

133054623 is a wasteful number, since it uses less digits than its factorization.

133054623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379095 (or 379089 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 133054623 is about 11534.9305589587. The cubic root of 133054623 is about 510.5167426846.

The spelling of 133054623 in words is "one hundred thirty-three million, fifty-four thousand, six hundred twenty-three".