1348757140 has 12 divisors (see below), whose sum is σ = 2832390036. Its totient is φ = 539502848.

The previous prime is 1348757129. The next prime is 1348757141. The reversal of 1348757140 is 417578431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1048982544 + 299774596 = 32388^2 + 17314^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1348757093 and 1348757102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1348757141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33718909 + ... + 33718948.

It is an arithmetic number, because the mean of its divisors is an integer number (236032503).

Almost surely, 2^1348757140 is an apocalyptic number.

1348757140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1348757140 is an abundant number, since it is smaller than the sum of its proper divisors (1483632896).

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

1348757140 is a wasteful number, since it uses less digits than its factorization.

1348757140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67437866 (or 67437864 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 1348757140 is about 36725.4290648864. The cubic root of 1348757140 is about 1104.8701798717.

The spelling of 1348757140 in words is "one billion, three hundred forty-eight million, seven hundred fifty-seven thousand, one hundred forty".