33137040 has 40 divisors (see below), whose sum is σ = 102725568. Its totient is φ = 8836480.

The previous prime is 33137033. The next prime is 33137051. The reversal of 33137040 is 4073133.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 33136998 and 33137016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68796 + ... + 69275.

Almost surely, 2^33137040 is an apocalyptic number.

33137040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33137040 is an abundant number, since it is smaller than the sum of its proper divisors (69588528).

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

33137040 is a wasteful number, since it uses less digits than its factorization.

33137040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138087 (or 138081 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 33137040 is about 5756.4780899435. The cubic root of 33137040 is about 321.1968203189.

The spelling of 33137040 in words is "thirty-three million, one hundred thirty-seven thousand, forty".