1377938602 has 16 divisors (see below), whose sum is σ = 2172526272. Its totient is φ = 654200800.

The previous prime is 1377938581. The next prime is 1377938609. The reversal of 1377938602 is 2068397731.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (1377938609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103024 + ... + 115627.

It is an arithmetic number, because the mean of its divisors is an integer number (135782892).

Almost surely, 2^1377938602 is an apocalyptic number.

1377938602 is a deficient number, since it is larger than the sum of its proper divisors (794587670).

1377938602 is a wasteful number, since it uses less digits than its factorization.

1377938602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218813.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 1377938602 is about 37120.5953885441. The cubic root of 1377938602 is about 1112.7816503907.

The spelling of 1377938602 in words is "one billion, three hundred seventy-seven million, nine hundred thirty-eight thousand, six hundred two".