1377680239 has 4 divisors (see below), whose sum is σ = 1483655656. Its totient is φ = 1271704824.

The previous prime is 1377680209. The next prime is 1377680263. The reversal of 1377680239 is 9320867731.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1377680239 - 2¹³ = 1377672047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377680209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52987689 + ... + 52987714.

It is an arithmetic number, because the mean of its divisors is an integer number (370913914).

Almost surely, 2^1377680239 is an apocalyptic number.

1377680239 is a deficient number, since it is larger than the sum of its proper divisors (105975417).

1377680239 is a wasteful number, since it uses less digits than its factorization.

1377680239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105975416.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 1377680239 is about 37117.1151761556. The cubic root of 1377680239 is about 1112.7120973216.

The spelling of 1377680239 in words is "one billion, three hundred seventy-seven million, six hundred eighty thousand, two hundred thirty-nine".