138877503730562 has 4 divisors (see below), whose sum is σ = 208316255595846. Its totient is φ = 69438751865280.

The previous prime is 138877503730541. The next prime is 138877503730573. The reversal of 138877503730562 is 265037305778831.

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., 79355831259721 + 59521672470841 = 8908189^2 + 7715029^2 .

It is a super-2 number, since 2×138877503730562² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34719375932639 + ... + 34719375932642.

Almost surely, 2^{138877503730562} is an apocalyptic number.

138877503730562 is a deficient number, since it is larger than the sum of its proper divisors (69438751865284).

138877503730562 is an equidigital number, since it uses as much as digits as its factorization.

138877503730562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69438751865283.

The product of its (nonzero) digits is 177811200, while the sum is 65.

The spelling of 138877503730562 in words is "one hundred thirty-eight trillion, eight hundred seventy-seven billion, five hundred three million, seven hundred thirty thousand, five hundred sixty-two".