1375266940 has 24 divisors (see below), whose sum is σ = 2894970960. Its totient is φ = 548790528.

The previous prime is 1375266869. The next prime is 1375266943. The reversal of 1375266940 is 496625731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375266943) 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 7 ways as a sum of consecutive naturals, for example, 73677 + ... + 90436.

It is an arithmetic number, because the mean of its divisors is an integer number (120623790).

Almost surely, 2^1375266940 is an apocalyptic number.

1375266940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1375266940 is an abundant number, since it is smaller than the sum of its proper divisors (1519704020).

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

1375266940 is a wasteful number, since it uses less digits than its factorization.

1375266940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164541 (or 164539 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 1375266940 is about 37084.5916790249. The cubic root of 1375266940 is about 1112.0620005370.

The spelling of 1375266940 in words is "one billion, three hundred seventy-five million, two hundred sixty-six thousand, nine hundred forty".