1376379146 has 4 divisors (see below), whose sum is σ = 2064568722. Its totient is φ = 688189572.

The previous prime is 1376379139. The next prime is 1376379149. The reversal of 1376379146 is 6419736731.

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., 1335098521 + 41280625 = 36539^2 + 6425^2 .

It is a super-3 number, since 3×1376379146³ (a number of 28 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1376379146.

It is not an unprimeable number, because it can be changed into a prime (1376379149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344094785 + ... + 344094788.

Almost surely, 2^1376379146 is an apocalyptic number.

1376379146 is a deficient number, since it is larger than the sum of its proper divisors (688189576).

1376379146 is an equidigital number, since it uses as much as digits as its factorization.

1376379146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688189575.

The product of its digits is 571536, while the sum is 47.

The square root of 1376379146 is about 37099.5841755673. The cubic root of 1376379146 is about 1112.3617020527.

The spelling of 1376379146 in words is "one billion, three hundred seventy-six million, three hundred seventy-nine thousand, one hundred forty-six".