513101340 has 36 divisors (see below), whose sum is σ = 1556407944. Its totient is φ = 136826976.

The previous prime is 513101339. The next prime is 513101341. The reversal of 513101340 is 43101315.

It is an interprime number because it is at equal distance from previous prime (513101339) and next prime (513101341).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513101341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1425102 + ... + 1425461.

It is an arithmetic number, because the mean of its divisors is an integer number (43233554).

Almost surely, 2^513101340 is an apocalyptic number.

It is an amenable number.

513101340 is an abundant number, since it is smaller than the sum of its proper divisors (1043306604).

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

513101340 is a wasteful number, since it uses less digits than its factorization.

513101340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2850578 (or 2850573 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 513101340 is about 22651.7403304912. The cubic root of 513101340 is about 800.5732037820.

Adding to 513101340 its reverse (43101315), we get a palindrome (556202655).

It can be divided in two parts, 51310 and 1340, that added together give a triangular number (52650 = T₃₂₄).

The spelling of 513101340 in words is "five hundred thirteen million, one hundred one thousand, three hundred forty".