137945465 has 8 divisors (see below), whose sum is σ = 189182400. Its totient is φ = 94591152.

The previous prime is 137945459. The next prime is 137945477. The reversal of 137945465 is 564549731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 137945465 - 2⁴ = 137945449 is a prime.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 1970615 + ... + 1970684.

It is an arithmetic number, because the mean of its divisors is an integer number (23647800).

Almost surely, 2^137945465 is an apocalyptic number.

It is an amenable number.

137945465 is a deficient number, since it is larger than the sum of its proper divisors (51236935).

137945465 is an equidigital number, since it uses as much as digits as its factorization.

137945465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3941311.

The product of its digits is 453600, while the sum is 44.

The square root of 137945465 is about 11745.0187313601. The cubic root of 137945465 is about 516.6968443467.

The spelling of 137945465 in words is "one hundred thirty-seven million, nine hundred forty-five thousand, four hundred sixty-five".