1390348070 has 8 divisors (see below), whose sum is σ = 2502626544. Its totient is φ = 556139224.

The previous prime is 1390348067. The next prime is 1390348087. The reversal of 1390348070 is 708430931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1390348070.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69517394 + ... + 69517413.

It is an arithmetic number, because the mean of its divisors is an integer number (312828318).

Almost surely, 2^1390348070 is an apocalyptic number.

1390348070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1390348070 is a deficient number, since it is larger than the sum of its proper divisors (1112278474).

1390348070 is a wasteful number, since it uses less digits than its factorization.

1390348070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139034814.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 1390348070 is about 37287.3714546896. The cubic root of 1390348070 is about 1116.1121762816.

The spelling of 1390348070 in words is "one billion, three hundred ninety million, three hundred forty-eight thousand, seventy".