1534293813 has 8 divisors (see below), whose sum is σ = 2203088608. Its totient is φ = 944180784.

The previous prime is 1534293703. The next prime is 1534293829. The reversal of 1534293813 is 3183924351.

It is a happy number.

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

It is not a de Polignac number, because 1534293813 - 2¹⁷ = 1534162741 is a prime.

It is a super-2 number, since 2×1534293813² = 4708115009220157938, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 39340867 = 1534293813 / (1 + 5 + 3 + 4 + 2 + 9 + 3 + 8 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1534293413) 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, 19670395 + ... + 19670472.

It is an arithmetic number, because the mean of its divisors is an integer number (275386076).

Almost surely, 2^1534293813 is an apocalyptic number.

1534293813 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1534293813 is a deficient number, since it is larger than the sum of its proper divisors (668794795).

1534293813 is a wasteful number, since it uses less digits than its factorization.

1534293813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39340883.

The product of its digits is 77760, while the sum is 39.

The square root of 1534293813 is about 39170.0627137614. The cubic root of 1534293813 is about 1153.3722848636.

The spelling of 1534293813 in words is "one billion, five hundred thirty-four million, two hundred ninety-three thousand, eight hundred thirteen".