137622447 has 12 divisors (see below), whose sum is σ = 201512064. Its totient is φ = 90491040.

The previous prime is 137622349. The next prime is 137622479. The reversal of 137622447 is 744226731.

It is not a de Polignac number, because 137622447 - 2⁷ = 137622319 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137621447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104079 + ... + 105392.

It is an arithmetic number, because the mean of its divisors is an integer number (16792672).

Almost surely, 2^137622447 is an apocalyptic number.

137622447 is a deficient number, since it is larger than the sum of its proper divisors (63889617).

137622447 is a wasteful number, since it uses less digits than its factorization.

137622447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209550 (or 209547 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 137622447 is about 11731.2593953079. The cubic root of 137622447 is about 516.2932239115.

The spelling of 137622447 in words is "one hundred thirty-seven million, six hundred twenty-two thousand, four hundred forty-seven".