1377132730 has 32 divisors (see below), whose sum is σ = 2611699200. Its totient is φ = 521381952.

The previous prime is 1377132727. The next prime is 1377132769. The reversal of 1377132730 is 372317731.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 258231 + ... + 263509.

It is an arithmetic number, because the mean of its divisors is an integer number (81615600).

Almost surely, 2^1377132730 is an apocalyptic number.

1377132730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1377132730 is a deficient number, since it is larger than the sum of its proper divisors (1234566470).

1377132730 is a wasteful number, since it uses less digits than its factorization.

1377132730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6678.

The product of its (nonzero) digits is 18522, while the sum is 34.

The square root of 1377132730 is about 37109.7390182146. The cubic root of 1377132730 is about 1112.5646754472.

The spelling of 1377132730 in words is "one billion, three hundred seventy-seven million, one hundred thirty-two thousand, seven hundred thirty".