137398027369 has 4 divisors (see below), whose sum is σ = 137408868180. Its totient is φ = 137387186560.

The previous prime is 137398027367. The next prime is 137398027391. The reversal of 137398027369 is 963720893731.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30341459344 + 107056568025 = 174188^2 + 327195^2 .

It is a cyclic number.

It is not a de Polignac number, because 137398027369 - 2¹ = 137398027367 is a prime.

It is a super-2 number, since 2×137398027369² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137398027367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5401372 + ... + 5426749.

It is an arithmetic number, because the mean of its divisors is an integer number (34352217045).

Almost surely, 2^137398027369 is an apocalyptic number.

It is an amenable number.

137398027369 is a deficient number, since it is larger than the sum of its proper divisors (10840811).

137398027369 is a wasteful number, since it uses less digits than its factorization.

137398027369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10840810.

The product of its (nonzero) digits is 10287648, while the sum is 58.

The spelling of 137398027369 in words is "one hundred thirty-seven billion, three hundred ninety-eight million, twenty-seven thousand, three hundred sixty-nine".