1377251338 has 8 divisors (see below), whose sum is σ = 2078248032. Its totient is φ = 684501996.

The previous prime is 1377251329. The next prime is 1377251357. The reversal of 1377251338 is 8331527731.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1377251338.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 2061420 + ... + 2062087.

It is an arithmetic number, because the mean of its divisors is an integer number (259781004).

Almost surely, 2^1377251338 is an apocalyptic number.

1377251338 is a deficient number, since it is larger than the sum of its proper divisors (700996694).

1377251338 is a wasteful number, since it uses less digits than its factorization.

1377251338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4123676.

The product of its digits is 105840, while the sum is 40.

The square root of 1377251338 is about 37111.3370548677. The cubic root of 1377251338 is about 1112.5966150659.

The spelling of 1377251338 in words is "one billion, three hundred seventy-seven million, two hundred fifty-one thousand, three hundred thirty-eight".