1375746516 has 36 divisors (see below), whose sum is σ = 3497698932. Its totient is φ = 455929344.

The previous prime is 1375746503. The next prime is 1375746557. The reversal of 1375746516 is 6156475731.

1375746516 is a `hidden beast` number, since 1 + 3 + 7 + 574 + 65 + 16 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 712890000 + 662856516 = 26700^2 + 25746^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1375746516² = 3785356952572276512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104221 + ... + 116676.

Almost surely, 2^1375746516 is an apocalyptic number.

It is an amenable number.

1375746516 is an abundant number, since it is smaller than the sum of its proper divisors (2121952416).

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

1375746516 is a wasteful number, since it uses less digits than its factorization.

1375746516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221080 (or 221075 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The square root of 1375746516 is about 37091.0570892769. The cubic root of 1375746516 is about 1112.1912496911.

The spelling of 1375746516 in words is "one billion, three hundred seventy-five million, seven hundred forty-six thousand, five hundred sixteen".