1377565842 has 8 divisors (see below), whose sum is σ = 2755131696. Its totient is φ = 459188612.

The previous prime is 1377565831. The next prime is 1377565843. The reversal of 1377565842 is 2485657731.

1377565842 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

1377565842 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1377565791 and 1377565800.

It is not an unprimeable number, because it can be changed into a prime (1377565843) 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, 114797148 + ... + 114797159.

It is an arithmetic number, because the mean of its divisors is an integer number (344391462).

Almost surely, 2^1377565842 is an apocalyptic number.

1377565842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1377565842 is a wasteful number, since it uses less digits than its factorization.

1377565842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229594312.

The product of its digits is 1411200, while the sum is 48.

The square root of 1377565842 is about 37115.5741165350. The cubic root of 1377565842 is about 1112.6812980970.

The spelling of 1377565842 in words is "one billion, three hundred seventy-seven million, five hundred sixty-five thousand, eight hundred forty-two".