1375540100 has 108 divisors (see below), whose sum is σ = 3324787200. Its totient is φ = 493521600.

The previous prime is 1375540069. The next prime is 1375540141. The reversal of 1375540100 is 10455731.

It is a super-2 number, since 2×1375540100² = 3784221133416020000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1375540100.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 955181 + ... + 956619.

Almost surely, 2^1375540100 is an apocalyptic number.

1375540100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1375540100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1662393600).

1375540100 is an abundant number, since it is smaller than the sum of its proper divisors (1949247100).

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

1375540100 is a wasteful number, since it uses less digits than its factorization.

1375540100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554 (or 1536 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 1375540100 is about 37088.2744273712. The cubic root of 1375540100 is about 1112.1356227886.

Adding to 1375540100 its reverse (10455731), we get a palindrome (1385995831).

The spelling of 1375540100 in words is "one billion, three hundred seventy-five million, five hundred forty thousand, one hundred".