1390212470 has 16 divisors (see below), whose sum is σ = 2570015088. Its totient is φ = 541055520.

The previous prime is 1390212449. The next prime is 1390212491. The reversal of 1390212470 is 742120931.

It is an interprime number because it is at equal distance from previous prime (1390212449) and next prime (1390212491).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1878296 + ... + 1879035.

It is an arithmetic number, because the mean of its divisors is an integer number (160625943).

Almost surely, 2^1390212470 is an apocalyptic number.

1390212470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1390212470 is a deficient number, since it is larger than the sum of its proper divisors (1179802618).

1390212470 is a wasteful number, since it uses less digits than its factorization.

1390212470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3757375.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 1390212470 is about 37285.5531003631. The cubic root of 1390212470 is about 1116.0758904683.

The spelling of 1390212470 in words is "one billion, three hundred ninety million, two hundred twelve thousand, four hundred seventy".