1379539077 has 32 divisors (see below), whose sum is σ = 2177710080. Its totient is φ = 760052160.

The previous prime is 1379539039. The next prime is 1379539079. The reversal of 1379539077 is 7709359731.

It is not a de Polignac number, because 1379539077 - 2⁷ = 1379538949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379539079) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 646302 + ... + 648432.

It is an arithmetic number, because the mean of its divisors is an integer number (68053440).

Almost surely, 2^1379539077 is an apocalyptic number.

It is an amenable number.

1379539077 is a deficient number, since it is larger than the sum of its proper divisors (798171003).

1379539077 is a wasteful number, since it uses less digits than its factorization.

1379539077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3233.

The product of its (nonzero) digits is 1250235, while the sum is 51.

The square root of 1379539077 is about 37142.1469088689. The cubic root of 1379539077 is about 1113.2123154722.

The spelling of 1379539077 in words is "one billion, three hundred seventy-nine million, five hundred thirty-nine thousand, seventy-seven".