137471645 has 16 divisors (see below), whose sum is σ = 169289472. Its totient is φ = 107110080.

The previous prime is 137471627. The next prime is 137471657. The reversal of 137471645 is 546174731.

It is not a de Polignac number, because 137471645 - 2¹⁰ = 137470621 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137471599 and 137471608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98855 + ... + 100235.

It is an arithmetic number, because the mean of its divisors is an integer number (10580592).

Almost surely, 2^137471645 is an apocalyptic number.

It is an amenable number.

137471645 is a deficient number, since it is larger than the sum of its proper divisors (31817827).

137471645 is a wasteful number, since it uses less digits than its factorization.

137471645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892.

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

The square root of 137471645 is about 11724.8302759571. The cubic root of 137471645 is about 516.1045761343.

The spelling of 137471645 in words is "one hundred thirty-seven million, four hundred seventy-one thousand, six hundred forty-five".