137729047 has 2 divisors, whose sum is σ = 137729048. Its totient is φ = 137729046.

The previous prime is 137729029. The next prime is 137729051. The reversal of 137729047 is 740927731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137729047 - 2⁷ = 137728919 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137729017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68864523 + 68864524.

It is an arithmetic number, because the mean of its divisors is an integer number (68864524).

Almost surely, 2^137729047 is an apocalyptic number.

137729047 is a deficient number, since it is larger than the sum of its proper divisors (1).

137729047 is an equidigital number, since it uses as much as digits as its factorization.

137729047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 137729047 is about 11735.8019325481. The cubic root of 137729047 is about 516.4264934829.

The spelling of 137729047 in words is "one hundred thirty-seven million, seven hundred twenty-nine thousand, forty-seven".