1375556541 has 16 divisors (see below), whose sum is σ = 1912147776. Its totient is φ = 878806656.

The previous prime is 1375556531. The next prime is 1375556563. The reversal of 1375556541 is 1456555731.

It is not a de Polignac number, because 1375556541 - 2⁶ = 1375556477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1375556493 and 1375556502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375556531) 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, 93760 + ... + 107433.

It is an arithmetic number, because the mean of its divisors is an integer number (119509236).

Almost surely, 2^1375556541 is an apocalyptic number.

It is an amenable number.

1375556541 is a deficient number, since it is larger than the sum of its proper divisors (536591235).

1375556541 is a wasteful number, since it uses less digits than its factorization.

1375556541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201292.

The product of its digits is 315000, while the sum is 42.

The square root of 1375556541 is about 37088.4960735806. The cubic root of 1375556541 is about 1112.1400536661.

The spelling of 1375556541 in words is "one billion, three hundred seventy-five million, five hundred fifty-six thousand, five hundred forty-one".