1513723380 has 96 divisors (see below), whose sum is σ = 4762969344. Its totient is φ = 356404224.

The previous prime is 1513723361. The next prime is 1513723381. The reversal of 1513723380 is 833273151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1513723381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24249 + ... + 60128.

It is an arithmetic number, because the mean of its divisors is an integer number (49614264).

Almost surely, 2^1513723380 is an apocalyptic number.

1513723380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1513723380 is an abundant number, since it is smaller than the sum of its proper divisors (3249245964).

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

1513723380 is a wasteful number, since it uses less digits than its factorization.

1513723380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84425 (or 84423 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 1513723380 is about 38906.5981550688. The cubic root of 1513723380 is about 1148.1946164893.

The spelling of 1513723380 in words is "one billion, five hundred thirteen million, seven hundred twenty-three thousand, three hundred eighty".