133734810 has 64 divisors (see below), whose sum is σ = 353009664. Its totient is φ = 32155200.

The previous prime is 133734793. The next prime is 133734823. The reversal of 133734810 is 18437331.

It is a super-2 number, since 2×133734810² = 35769998811472200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40315 + ... + 43505.

It is an arithmetic number, because the mean of its divisors is an integer number (5515776).

Almost surely, 2^133734810 is an apocalyptic number.

133734810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 133734810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176504832).

133734810 is an abundant number, since it is smaller than the sum of its proper divisors (219274854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133734810 is a wasteful number, since it uses less digits than its factorization.

133734810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3339.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 133734810 is about 11564.3767666053. The cubic root of 133734810 is about 511.3852000640.

The spelling of 133734810 in words is "one hundred thirty-three million, seven hundred thirty-four thousand, eight hundred ten".