1395746140 has 12 divisors (see below), whose sum is σ = 2931066936. Its totient is φ = 558298448.

The previous prime is 1395746123. The next prime is 1395746147. The reversal of 1395746140 is 416475931.

It is a junction number, because it is equal to n+sod(n) for n = 1395746093 and 1395746102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1395746147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34893634 + ... + 34893673.

It is an arithmetic number, because the mean of its divisors is an integer number (244255578).

Almost surely, 2^1395746140 is an apocalyptic number.

1395746140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1395746140 is an abundant number, since it is smaller than the sum of its proper divisors (1535320796).

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

1395746140 is a wasteful number, since it uses less digits than its factorization.

1395746140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69787316 (or 69787314 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 1395746140 is about 37359.6860265179. The cubic root of 1395746140 is about 1117.5547577797.

The spelling of 1395746140 in words is "one billion, three hundred ninety-five million, seven hundred forty-six thousand, one hundred forty".