1375125125140 has 36 divisors (see below), whose sum is σ = 3126985721244. Its totient is φ = 507738506496.

The previous prime is 1375125125107. The next prime is 1375125125147. The reversal of 1375125125140 is 415215215731.

It can be written as a sum of positive squares in 6 ways, for example, as 139430547216 + 1235694577924 = 373404^2 + 1111618^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1375125125140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375125125147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203417497 + ... + 203424256.

It is an arithmetic number, because the mean of its divisors is an integer number (86860714479).

Almost surely, 2^{1375125125140} is an apocalyptic number.

1375125125140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1375125125140 is an abundant number, since it is smaller than the sum of its proper divisors (1751860596104).

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

1375125125140 is a wasteful number, since it uses less digits than its factorization.

1375125125140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406841788 (or 406841773 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 37.

The spelling of 1375125125140 in words is "one trillion, three hundred seventy-five billion, one hundred twenty-five million, one hundred twenty-five thousand, one hundred forty".