137405283 has 16 divisors (see below), whose sum is σ = 193211520. Its totient is φ = 86619456.

The previous prime is 137405249. The next prime is 137405287. The reversal of 137405283 is 382504731.

It is a Cunningham number, because it is equal to 11722²-1.

It is not a de Polignac number, because 137405283 - 2⁸ = 137405027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137405287) 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 15 ways as a sum of consecutive naturals, for example, 33216 + ... + 37122.

It is an arithmetic number, because the mean of its divisors is an integer number (12075720).

Almost surely, 2^137405283 is an apocalyptic number.

137405283 is a deficient number, since it is larger than the sum of its proper divisors (55806237).

137405283 is a wasteful number, since it uses less digits than its factorization.

137405283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4546.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 137405283 is about 11721.9999573452. Note that the first 4 decimals coincide. The cubic root of 137405283 is about 516.0215159888.

The spelling of 137405283 in words is "one hundred thirty-seven million, four hundred five thousand, two hundred eighty-three".