1377660142 has 16 divisors (see below), whose sum is σ = 2082880800. Its totient is φ = 683385120.

The previous prime is 1377660133. The next prime is 1377660149. The reversal of 1377660142 is 2410667731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377660149) 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, 154584 + ... + 163252.

It is an arithmetic number, because the mean of its divisors is an integer number (130180050).

Almost surely, 2^1377660142 is an apocalyptic number.

1377660142 is a deficient number, since it is larger than the sum of its proper divisors (705220658).

1377660142 is a wasteful number, since it uses less digits than its factorization.

1377660142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9291.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 1377660142 is about 37116.8444510036. The cubic root of 1377660142 is about 1112.7066867086.

The spelling of 1377660142 in words is "one billion, three hundred seventy-seven million, six hundred sixty thousand, one hundred forty-two".