1377136199 has 2 divisors, whose sum is σ = 1377136200. Its totient is φ = 1377136198.

The previous prime is 1377136177. The next prime is 1377136217. The reversal of 1377136199 is 9916317731.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1377136199 is a prime.

It is a super-3 number, since 3×1377136199³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1377136699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688568099 + 688568100.

It is an arithmetic number, because the mean of its divisors is an integer number (688568100).

Almost surely, 2^1377136199 is an apocalyptic number.

1377136199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1377136199 is an equidigital number, since it uses as much as digits as its factorization.

1377136199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 214326, while the sum is 47.

The square root of 1377136199 is about 37109.7857579372. The cubic root of 1377136199 is about 1112.5656096306.

The spelling of 1377136199 in words is "one billion, three hundred seventy-seven million, one hundred thirty-six thousand, one hundred ninety-nine".