1306897534 has 8 divisors (see below), whose sum is σ = 1961669088. Its totient is φ = 653007840.

The previous prime is 1306897531. The next prime is 1306897541. The reversal of 1306897534 is 4357986031.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306897531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216747 + ... + 222694.

It is an arithmetic number, because the mean of its divisors is an integer number (245208636).

Almost surely, 2^1306897534 is an apocalyptic number.

1306897534 is a deficient number, since it is larger than the sum of its proper divisors (654771554).

1306897534 is a wasteful number, since it uses less digits than its factorization.

1306897534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440930.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 1306897534 is about 36151.0377997645. The cubic root of 1306897534 is about 1093.3197150503.

The spelling of 1306897534 in words is "one billion, three hundred six million, eight hundred ninety-seven thousand, five hundred thirty-four".