137908533 has 8 divisors (see below), whose sum is σ = 210146368. Its totient is φ = 78804864.

The previous prime is 137908523. The next prime is 137908541. The reversal of 137908533 is 335809731.

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

It is not a de Polignac number, because 137908533 - 2⁵ = 137908501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137908491 and 137908500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137908523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3283516 + ... + 3283557.

It is an arithmetic number, because the mean of its divisors is an integer number (26268296).

Almost surely, 2^137908533 is an apocalyptic number.

It is an amenable number.

137908533 is a deficient number, since it is larger than the sum of its proper divisors (72237835).

137908533 is an equidigital number, since it uses as much as digits as its factorization.

137908533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6567083.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 137908533 is about 11743.4463851120. The cubic root of 137908533 is about 516.6507286562.

The spelling of 137908533 in words is "one hundred thirty-seven million, nine hundred eight thousand, five hundred thirty-three".