1306900057 has 8 divisors (see below), whose sum is σ = 1327604256. Its totient is φ = 1286231232.

The previous prime is 1306900037. The next prime is 1306900087. The reversal of 1306900057 is 7500096031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1306900057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1306900027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71313 + ... + 87745.

It is an arithmetic number, because the mean of its divisors is an integer number (165950532).

Almost surely, 2^1306900057 is an apocalyptic number.

It is an amenable number.

1306900057 is a deficient number, since it is larger than the sum of its proper divisors (20704199).

1306900057 is a wasteful number, since it uses less digits than its factorization.

1306900057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17687.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 1306900057 is about 36151.0726950114. The cubic root of 1306900057 is about 1093.3204186107.

Adding to 1306900057 its reverse (7500096031), we get a palindrome (8806996088).

The spelling of 1306900057 in words is "one billion, three hundred six million, nine hundred thousand, fifty-seven".