137776671464242 has 8 divisors (see below), whose sum is σ = 208711195386732. Its totient is φ = 68206273002000.

The previous prime is 137776671464233. The next prime is 137776671464317. The reversal of 137776671464242 is 242464176677731.

It can be written as a sum of positive squares in 2 ways, for example, as 137562849380961 + 213822083281 = 11728719^2 + 462409^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×137776671464242² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341031364809 + ... + 341031365212.

Almost surely, 2^{137776671464242} is an apocalyptic number.

137776671464242 is a deficient number, since it is larger than the sum of its proper divisors (70934523922490).

137776671464242 is a wasteful number, since it uses less digits than its factorization.

137776671464242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682062730124.

The product of its digits is 398297088, while the sum is 67.

The spelling of 137776671464242 in words is "one hundred thirty-seven trillion, seven hundred seventy-six billion, six hundred seventy-one million, four hundred sixty-four thousand, two hundred forty-two".