513389140 has 48 divisors (see below), whose sum is σ = 1214083584. Its totient is φ = 180662400.

The previous prime is 513389089. The next prime is 513389147. The reversal of 513389140 is 41983315.

It is a junction number, because it is equal to n+sod(n) for n = 513389096 and 513389105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513389147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30819 + ... + 44458.

It is an arithmetic number, because the mean of its divisors is an integer number (25293408).

Almost surely, 2^513389140 is an apocalyptic number.

It is an amenable number.

513389140 is an abundant number, since it is smaller than the sum of its proper divisors (700694444).

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

513389140 is a wasteful number, since it uses less digits than its factorization.

513389140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75328 (or 75326 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 513389140 is about 22658.0921526946. The cubic root of 513389140 is about 800.7228570670.

The spelling of 513389140 in words is "five hundred thirteen million, three hundred eighty-nine thousand, one hundred forty".