1377541228 has 24 divisors (see below), whose sum is σ = 2829546272. Its totient is φ = 574418304.

The previous prime is 1377541183. The next prime is 1377541241. The reversal of 1377541228 is 8221457731.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 663801 + ... + 665872.

Almost surely, 2^1377541228 is an apocalyptic number.

It is an amenable number.

1377541228 is an abundant number, since it is smaller than the sum of its proper divisors (1452005044).

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

1377541228 is a wasteful number, since it uses less digits than its factorization.

1377541228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329721 (or 1329719 counting only the distinct ones).

The product of its digits is 94080, while the sum is 40.

The square root of 1377541228 is about 37115.2425291820. The cubic root of 1377541228 is about 1112.6746710210.

Adding to 1377541228 its reverse (8221457731), we get a palindrome (9598998959).

The spelling of 1377541228 in words is "one billion, three hundred seventy-seven million, five hundred forty-one thousand, two hundred twenty-eight".