1375886761346 has 4 divisors (see below), whose sum is σ = 2063830142022. Its totient is φ = 687943380672.

The previous prime is 1375886761343. The next prime is 1375886761367. The reversal of 1375886761346 is 6431676885731.

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., 835130961025 + 540755800321 = 913855^2 + 735361^2 .

It is not an unprimeable number, because it can be changed into a prime (1375886761343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 343971690335 + ... + 343971690338.

Almost surely, 2^{1375886761346} is an apocalyptic number.

1375886761346 is a deficient number, since it is larger than the sum of its proper divisors (687943380676).

1375886761346 is an equidigital number, since it uses as much as digits as its factorization.

1375886761346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687943380675.

The product of its digits is 121927680, while the sum is 65.

The spelling of 1375886761346 in words is "one trillion, three hundred seventy-five billion, eight hundred eighty-six million, seven hundred sixty-one thousand, three hundred forty-six".