1453136647 has 8 divisors (see below), whose sum is σ = 1484683200. Its totient is φ = 1421616384.

The previous prime is 1453136627. The next prime is 1453136653. The reversal of 1453136647 is 7466313541.

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 1453136647 - 2⁷ = 1453136519 is a prime.

It is a super-2 number, since 2×1453136647² = 4223212229708805218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453136627) 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, 140179 + ... + 150187.

It is an arithmetic number, because the mean of its divisors is an integer number (185585400).

Almost surely, 2^1453136647 is an apocalyptic number.

1453136647 is a deficient number, since it is larger than the sum of its proper divisors (31546553).

1453136647 is a wasteful number, since it uses less digits than its factorization.

1453136647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13145.

The product of its digits is 181440, while the sum is 40.

The square root of 1453136647 is about 38120.0294727063. The cubic root of 1453136647 is about 1132.6667501655. Note that the first 3 decimals are identical.

The spelling of 1453136647 in words is "one billion, four hundred fifty-three million, one hundred thirty-six thousand, six hundred forty-seven".