137209834 has 8 divisors (see below), whose sum is σ = 205907940. Its totient is φ = 68573856.

The previous prime is 137209823. The next prime is 137209847. The reversal of 137209834 is 438902731.

It can be written as a sum of positive squares in 2 ways, for example, as 133980625 + 3229209 = 11575^2 + 1797^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 137209793 and 137209802.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9549 + ... + 19120.

Almost surely, 2^137209834 is an apocalyptic number.

137209834 is a deficient number, since it is larger than the sum of its proper divisors (68698106).

137209834 is a wasteful number, since it uses less digits than its factorization.

137209834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31064.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 137209834 is about 11713.6601453175. The cubic root of 137209834 is about 515.7767322247.

The spelling of 137209834 in words is "one hundred thirty-seven million, two hundred nine thousand, eight hundred thirty-four".