1385746532 has 24 divisors (see below), whose sum is σ = 2555007840. Its totient is φ = 655810560.

The previous prime is 1385746529. The next prime is 1385746597. The reversal of 1385746532 is 2356475831.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82532 + ... + 97892.

It is an arithmetic number, because the mean of its divisors is an integer number (106458660).

Almost surely, 2^1385746532 is an apocalyptic number.

It is an amenable number.

1385746532 is a deficient number, since it is larger than the sum of its proper divisors (1169261308).

1385746532 is a wasteful number, since it uses less digits than its factorization.

1385746532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16571 (or 16569 counting only the distinct ones).

The product of its digits is 604800, while the sum is 44.

The square root of 1385746532 is about 37225.6166100711. The cubic root of 1385746532 is about 1114.8795091902.

The spelling of 1385746532 in words is "one billion, three hundred eighty-five million, seven hundred forty-six thousand, five hundred thirty-two".