137438955469 has 8 divisors (see below), whose sum is σ = 137530402848. Its totient is φ = 137347544880.

The previous prime is 137438955413. The next prime is 137438955509. The reversal of 137438955469 is 964559834731.

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 137438955469 - 2⁹ = 137438954957 is a prime.

It is a super-2 number, since 2×137438955469² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137438955469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137438955169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11979874 + ... + 11991340.

It is an arithmetic number, because the mean of its divisors is an integer number (17191300356).

Almost surely, 2^137438955469 is an apocalyptic number.

It is an amenable number.

137438955469 is a deficient number, since it is larger than the sum of its proper divisors (91447379).

137438955469 is a wasteful number, since it uses less digits than its factorization.

137438955469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18395.

The product of its digits is 97977600, while the sum is 64.

The spelling of 137438955469 in words is "one hundred thirty-seven billion, four hundred thirty-eight million, nine hundred fifty-five thousand, four hundred sixty-nine".