1378297006 has 4 divisors (see below), whose sum is σ = 2067445512. Its totient is φ = 689148502.

The previous prime is 1378297003. The next prime is 1378297009. The reversal of 1378297006 is 6007928731.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (1378297003) and next prime (1378297009).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378297003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344574250 + ... + 344574253.

It is an arithmetic number, because the mean of its divisors is an integer number (516861378).

Almost surely, 2^1378297006 is an apocalyptic number.

1378297006 is a deficient number, since it is larger than the sum of its proper divisors (689148506).

1378297006 is an equidigital number, since it uses as much as digits as its factorization.

1378297006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689148505.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 1378297006 is about 37125.4226373250. The cubic root of 1378297006 is about 1112.8781207802.

The spelling of 1378297006 in words is "one billion, three hundred seventy-eight million, two hundred ninety-seven thousand, six".