137541647 has 2 divisors, whose sum is σ = 137541648. Its totient is φ = 137541646.

The previous prime is 137541619. The next prime is 137541653. The reversal of 137541647 is 746145731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137541647 - 2¹² = 137537551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 137541647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137541667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68770823 + 68770824.

It is an arithmetic number, because the mean of its divisors is an integer number (68770824).

Almost surely, 2^137541647 is an apocalyptic number.

137541647 is a deficient number, since it is larger than the sum of its proper divisors (1).

137541647 is an equidigital number, since it uses as much as digits as its factorization.

137541647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 38.

The square root of 137541647 is about 11727.8150991564. The cubic root of 137541647 is about 516.1921632193.

The spelling of 137541647 in words is "one hundred thirty-seven million, five hundred forty-one thousand, six hundred forty-seven".