1313937450 has 216 divisors, whose sum is σ = 4260477312. Its totient is φ = 300192480.

The previous prime is 1313937407. The next prime is 1313937479. The reversal of 1313937450 is 547393131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 594247 + ... + 596453.

It is an arithmetic number, because the mean of its divisors is an integer number (19724432).

Almost surely, 2^1313937450 is an apocalyptic number.

1313937450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313937450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2130238656).

1313937450 is an abundant number, since it is smaller than the sum of its proper divisors (2946539862).

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

1313937450 is a wasteful number, since it uses less digits than its factorization.

1313937450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248 (or 2224 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 1313937450 is about 36248.2751313769. The cubic root of 1313937450 is about 1095.2793432555.

The spelling of 1313937450 in words is "one billion, three hundred thirteen million, nine hundred thirty-seven thousand, four hundred fifty".