137206733 has 8 divisors (see below), whose sum is σ = 145485120. Its totient is φ = 129034080.

The previous prime is 137206723. The next prime is 137206739. The reversal of 137206733 is 337602731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 137206733 - 2¹⁰ = 137205709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 137206733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137206739) 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, 23753 + ... + 28958.

It is an arithmetic number, because the mean of its divisors is an integer number (18185640).

Almost surely, 2^137206733 is an apocalyptic number.

It is an amenable number.

137206733 is a deficient number, since it is larger than the sum of its proper divisors (8278387).

137206733 is a wasteful number, since it uses less digits than its factorization.

137206733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52867.

The product of its (nonzero) digits is 15876, while the sum is 32.

The square root of 137206733 is about 11713.5277777448. The cubic root of 137206733 is about 515.7728466050.

The spelling of 137206733 in words is "one hundred thirty-seven million, two hundred six thousand, seven hundred thirty-three".