1377272064 has 72 divisors (see below), whose sum is σ = 4189218880. Its totient is φ = 393504768.

The previous prime is 1377272059. The next prime is 1377272077. The reversal of 1377272064 is 4602727731.

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, 122719 + ... + 133470.

Almost surely, 2^1377272064 is an apocalyptic number.

1377272064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1377272064 is an abundant number, since it is smaller than the sum of its proper divisors (2811946816).

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

1377272064 is an equidigital number, since it uses as much as digits as its factorization.

1377272064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256215 (or 256201 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 39.

The square root of 1377272064 is about 37111.6162946321. The cubic root of 1377272064 is about 1112.6021961246.

Adding to 1377272064 its reverse (4602727731), we get a palindrome (5979999795).

The spelling of 1377272064 in words is "one billion, three hundred seventy-seven million, two hundred seventy-two thousand, sixty-four".