1351126506340 has 48 divisors (see below), whose sum is σ = 3107414842560. Its totient is φ = 490421923200.

The previous prime is 1351126506299. The next prime is 1351126506343. The reversal of 1351126506340 is 436056211531.

It is a super-2 number, since 2×1351126506340² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1351126506340.

It is not an unprimeable number, because it can be changed into a prime (1351126506343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44023986 + ... + 44054665.

It is an arithmetic number, because the mean of its divisors is an integer number (64737809220).

Almost surely, 2^{1351126506340} is an apocalyptic number.

1351126506340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1351126506340 is an abundant number, since it is smaller than the sum of its proper divisors (1756288336220).

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

1351126506340 is a wasteful number, since it uses less digits than its factorization.

1351126506340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88078732 (or 88078730 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 1351126506340 in words is "one trillion, three hundred fifty-one billion, one hundred twenty-six million, five hundred six thousand, three hundred forty".