137777087909 has 8 divisors (see below), whose sum is σ = 139542923520. Its totient is φ = 136011798000.

The previous prime is 137777087879. The next prime is 137777087947. The reversal of 137777087909 is 909780777731.

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 137777087909 - 2²⁴ = 137760310693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137777087969) 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, 384419 + ... + 650639.

It is an arithmetic number, because the mean of its divisors is an integer number (17442865440).

Almost surely, 2^137777087909 is an apocalyptic number.

It is an amenable number.

137777087909 is a deficient number, since it is larger than the sum of its proper divisors (1765835611).

137777087909 is an equidigital number, since it uses as much as digits as its factorization.

137777087909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272851.

The product of its (nonzero) digits is 32672808, while the sum is 65.

The spelling of 137777087909 in words is "one hundred thirty-seven billion, seven hundred seventy-seven million, eighty-seven thousand, nine hundred nine".