1377641434 has 8 divisors (see below), whose sum is σ = 2225420820. Its totient is φ = 635834496.

The previous prime is 1377641431. The next prime is 1377641443. The reversal of 1377641434 is 4341467731.

It can be written as a sum of positive squares in 2 ways, for example, as 973752025 + 403889409 = 31205^2 + 20097^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1377641431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26493079 + ... + 26493130.

Almost surely, 2^1377641434 is an apocalyptic number.

1377641434 is a deficient number, since it is larger than the sum of its proper divisors (847779386).

1377641434 is a wasteful number, since it uses less digits than its factorization.

1377641434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52986224.

The product of its digits is 169344, while the sum is 40.

The square root of 1377641434 is about 37116.5924351900. The cubic root of 1377641434 is about 1112.7016500018.

The spelling of 1377641434 in words is "one billion, three hundred seventy-seven million, six hundred forty-one thousand, four hundred thirty-four".