137464934465 has 4 divisors (see below), whose sum is σ = 164957921364. Its totient is φ = 109971947568.

The previous prime is 137464934459. The next prime is 137464934471. The reversal of 137464934465 is 564439464731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 564439464731 = 19 ⋅29707340249.

It is an interprime number because it is at equal distance from previous prime (137464934459) and next prime (137464934471).

It can be written as a sum of positive squares in 2 ways, for example, as 45960499456 + 91504435009 = 214384^2 + 302497^2 .

It is a cyclic number.

It is not a de Polignac number, because 137464934465 - 2⁴ = 137464934449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 137464934465.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13746493442 + ... + 13746493451.

It is an arithmetic number, because the mean of its divisors is an integer number (41239480341).

Almost surely, 2^137464934465 is an apocalyptic number.

It is an amenable number.

137464934465 is a deficient number, since it is larger than the sum of its proper divisors (27492986899).

137464934465 is an equidigital number, since it uses as much as digits as its factorization.

137464934465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27492986898.

The product of its digits is 26127360, while the sum is 56.

The spelling of 137464934465 in words is "one hundred thirty-seven billion, four hundred sixty-four million, nine hundred thirty-four thousand, four hundred sixty-five".