1385598513 has 8 divisors (see below), whose sum is σ = 1989577408. Its totient is φ = 852675984.

The previous prime is 1385598509. The next prime is 1385598523. The reversal of 1385598513 is 3158955831.

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

It is not a de Polignac number, because 1385598513 - 2² = 1385598509 is a prime.

It is a super-2 number, since 2×1385598513² = 3839766478455622338, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1385598523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17764045 + ... + 17764122.

It is an arithmetic number, because the mean of its divisors is an integer number (248697176).

Almost surely, 2^1385598513 is an apocalyptic number.

1385598513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1385598513 is a deficient number, since it is larger than the sum of its proper divisors (603978895).

1385598513 is a wasteful number, since it uses less digits than its factorization.

1385598513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35528183.

The product of its digits is 648000, while the sum is 48.

The square root of 1385598513 is about 37223.6284233550. The cubic root of 1385598513 is about 1114.8398123620.

The spelling of 1385598513 in words is "one billion, three hundred eighty-five million, five hundred ninety-eight thousand, five hundred thirteen".