133498630 has 16 divisors (see below), whose sum is σ = 241774704. Its totient is φ = 53071200.

The previous prime is 133498621. The next prime is 133498633. The reversal of 133498630 is 36894331.

It is a self number, because there is not a number n which added to its sum of digits gives 133498630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133498633) 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, 39321 + ... + 42580.

It is an arithmetic number, because the mean of its divisors is an integer number (15110919).

Almost surely, 2^133498630 is an apocalyptic number.

133498630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133498630 is a deficient number, since it is larger than the sum of its proper divisors (108276074).

133498630 is a wasteful number, since it uses less digits than its factorization.

133498630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82071.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 133498630 is about 11554.1607224411. The cubic root of 133498630 is about 511.0839817393.

The spelling of 133498630 in words is "one hundred thirty-three million, four hundred ninety-eight thousand, six hundred thirty".