1374206517 has 12 divisors (see below), whose sum is σ = 1986535980. Its totient is φ = 915412608.

The previous prime is 1374206489. The next prime is 1374206551. The reversal of 1374206517 is 7156024731.

It is a happy number.

1374206517 is a `hidden beast` number, since 137 + 4 + 2 + 0 + 6 + 517 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1062825201 + 311381316 = 32601^2 + 17646^2 .

It is not a de Polignac number, because 1374206517 - 2⁸ = 1374206261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374206567) 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, 48292 + ... + 71277.

It is an arithmetic number, because the mean of its divisors is an integer number (165544665).

Almost surely, 2^1374206517 is an apocalyptic number.

It is an amenable number.

1374206517 is a deficient number, since it is larger than the sum of its proper divisors (612329463).

1374206517 is a wasteful number, since it uses less digits than its factorization.

1374206517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120852 (or 120849 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 1374206517 is about 37070.2915688561. The cubic root of 1374206517 is about 1111.7761022594.

The spelling of 1374206517 in words is "one billion, three hundred seventy-four million, two hundred six thousand, five hundred seventeen".