1534197613 has 8 divisors (see below), whose sum is σ = 1658498688. Its totient is φ = 1410794544.

The previous prime is 1534197601. The next prime is 1534197649. The reversal of 1534197613 is 3167914351.

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

It is a cyclic number.

It is not a de Polignac number, because 1534197613 - 2²⁵ = 1500643181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1534197673) 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, 220945 + ... + 227782.

It is an arithmetic number, because the mean of its divisors is an integer number (207312336).

Almost surely, 2^1534197613 is an apocalyptic number.

1534197613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1534197613 is a deficient number, since it is larger than the sum of its proper divisors (124301075).

1534197613 is a wasteful number, since it uses less digits than its factorization.

1534197613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449003.

The product of its digits is 68040, while the sum is 40.

The square root of 1534197613 is about 39168.8347158809. The cubic root of 1534197613 is about 1153.3481789347.

The spelling of 1534197613 in words is "one billion, five hundred thirty-four million, one hundred ninety-seven thousand, six hundred thirteen".