137766673334438 has 4 divisors (see below), whose sum is σ = 206650010001660. Its totient is φ = 68883336667218.

The previous prime is 137766673334429. The next prime is 137766673334447. The reversal of 137766673334438 is 834433376667731.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (137766673334429) and next prime (137766673334447).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34441668333608 + ... + 34441668333611.

It is an arithmetic number, because the mean of its divisors is an integer number (51662502500415).

Almost surely, 2^{137766673334438} is an apocalyptic number.

137766673334438 is a deficient number, since it is larger than the sum of its proper divisors (68883336667222).

137766673334438 is an equidigital number, since it uses as much as digits as its factorization.

137766673334438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68883336667221.

The product of its digits is 2304433152, while the sum is 71.

The spelling of 137766673334438 in words is "one hundred thirty-seven trillion, seven hundred sixty-six billion, six hundred seventy-three million, three hundred thirty-four thousand, four hundred thirty-eight".