1339778046 has 16 divisors (see below), whose sum is σ = 2820585600. Its totient is φ = 423087768.

The previous prime is 1339778039. The next prime is 1339778053. The reversal of 1339778046 is 6408779331.

It is an interprime number because it is at equal distance from previous prime (1339778039) and next prime (1339778053).

It is a junction number, because it is equal to n+sod(n) for n = 1339777986 and 1339778004.

It is a congruent number.

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, 5876106 + ... + 5876333.

It is an arithmetic number, because the mean of its divisors is an integer number (176286600).

Almost surely, 2^1339778046 is an apocalyptic number.

1339778046 is an abundant number, since it is smaller than the sum of its proper divisors (1480807554).

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

1339778046 is a wasteful number, since it uses less digits than its factorization.

1339778046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11752463.

The product of its (nonzero) digits is 762048, while the sum is 48.

The square root of 1339778046 is about 36602.9786492848. The cubic root of 1339778046 is about 1102.4128978241.

The spelling of 1339778046 in words is "one billion, three hundred thirty-nine million, seven hundred seventy-eight thousand, forty-six".