1387075417 has 16 divisors (see below), whose sum is σ = 1708053760. Its totient is φ = 1096898112.

The previous prime is 1387075397. The next prime is 1387075433. The reversal of 1387075417 is 7145707831.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1387075417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1387075477) 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, 304684 + ... + 309202.

It is an arithmetic number, because the mean of its divisors is an integer number (106753360).

Almost surely, 2^1387075417 is an apocalyptic number.

It is an amenable number.

1387075417 is a deficient number, since it is larger than the sum of its proper divisors (320978343).

1387075417 is a wasteful number, since it uses less digits than its factorization.

1387075417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7912.

The product of its (nonzero) digits is 164640, while the sum is 43.

The square root of 1387075417 is about 37243.4613992846. The cubic root of 1387075417 is about 1115.2357728334.

The spelling of 1387075417 in words is "one billion, three hundred eighty-seven million, seventy-five thousand, four hundred seventeen".