137219604479 has 4 divisors (see below), whose sum is σ = 138433937376. Its totient is φ = 136005271584.

The previous prime is 137219604439. The next prime is 137219604481. The reversal of 137219604479 is 974406912731.

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

It is a cyclic number.

It is not a de Polignac number, because 137219604479 - 2²⁴ = 137202827263 is a prime.

It is a super-2 number, since 2×137219604479² (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 137219604479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137219604439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 607166279 + ... + 607166504.

It is an arithmetic number, because the mean of its divisors is an integer number (34608484344).

Almost surely, 2^137219604479 is an apocalyptic number.

137219604479 is a deficient number, since it is larger than the sum of its proper divisors (1214332897).

137219604479 is a wasteful number, since it uses less digits than its factorization.

137219604479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214332896.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The spelling of 137219604479 in words is "one hundred thirty-seven billion, two hundred nineteen million, six hundred four thousand, four hundred seventy-nine".