137777038707794 has 4 divisors (see below), whose sum is σ = 206665558061694. Its totient is φ = 68888519353896.

The previous prime is 137777038707727. The next prime is 137777038707797. The reversal of 137777038707794 is 497707830777731.

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

It can be written as a sum of positive squares in only one way, i.e., 110127708930625 + 27649329777169 = 10494175^2 + 5258263^2 .

It is a super-3 number, since 3×137777038707794³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (137777038707797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34444259676947 + ... + 34444259676950.

Almost surely, 2^{137777038707794} is an apocalyptic number.

137777038707794 is a deficient number, since it is larger than the sum of its proper divisors (68888519353900).

137777038707794 is an equidigital number, since it uses as much as digits as its factorization.

137777038707794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68888519353899.

The product of its (nonzero) digits is 2134623456, while the sum is 77.

The spelling of 137777038707794 in words is "one hundred thirty-seven trillion, seven hundred seventy-seven billion, thirty-eight million, seven hundred seven thousand, seven hundred ninety-four".