1375840670 has 32 divisors (see below), whose sum is σ = 2499789600. Its totient is φ = 545184640.

The previous prime is 1375840663. The next prime is 1375840679. The reversal of 1375840670 is 760485731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375840679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 685889 + ... + 687891.

It is an arithmetic number, because the mean of its divisors is an integer number (78118425).

Almost surely, 2^1375840670 is an apocalyptic number.

1375840670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1375840670 is a deficient number, since it is larger than the sum of its proper divisors (1123948930).

1375840670 is a wasteful number, since it uses less digits than its factorization.

1375840670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2620.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 1375840670 is about 37092.3262953404. The cubic root of 1375840670 is about 1112.2166213384.

The spelling of 1375840670 in words is "one billion, three hundred seventy-five million, eight hundred forty thousand, six hundred seventy".