1376220990 has 16 divisors (see below), whose sum is σ = 3302930448. Its totient is φ = 366992256.

The previous prime is 1376220971. The next prime is 1376220997. The reversal of 1376220990 is 990226731.

1376220990 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1376220997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22936987 + ... + 22937046.

It is an arithmetic number, because the mean of its divisors is an integer number (206433153).

Almost surely, 2^1376220990 is an apocalyptic number.

1376220990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1376220990 is an abundant number, since it is smaller than the sum of its proper divisors (1926709458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1376220990 is a wasteful number, since it uses less digits than its factorization.

1376220990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45874043.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 1376220990 is about 37097.4526079622. The cubic root of 1376220990 is about 1112.3190942638.

The spelling of 1376220990 in words is "one billion, three hundred seventy-six million, two hundred twenty thousand, nine hundred ninety".