1349055787740 has 24 divisors (see below), whose sum is σ = 3777356205840. Its totient is φ = 359748210048.

The previous prime is 1349055787733. The next prime is 1349055787763. The reversal of 1349055787740 is 477875509431.

It is a Harshad number since it is a multiple of its sum of digits (60), and also a Moran number because the ratio is a prime number: 22484263129 = 1349055787740 / (1 + 3 + 4 + 9 + 0 + 5 + 5 + 7 + 8 + 7 + 7 + 4 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11242131505 + ... + 11242131624.

It is an arithmetic number, because the mean of its divisors is an integer number (157389841910).

Almost surely, 2^{1349055787740} is an apocalyptic number.

1349055787740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1349055787740 is an abundant number, since it is smaller than the sum of its proper divisors (2428300418100).

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

1349055787740 is a wasteful number, since it uses less digits than its factorization.

1349055787740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22484263141 (or 22484263139 counting only the distinct ones).

The product of its (nonzero) digits is 29635200, while the sum is 60.

The spelling of 1349055787740 in words is "one trillion, three hundred forty-nine billion, fifty-five million, seven hundred eighty-seven thousand, seven hundred forty".