1357434447 has 8 divisors (see below), whose sum is σ = 1888604544. Its totient is φ = 865610328.

The previous prime is 1357434439. The next prime is 1357434457. The reversal of 1357434447 is 7444347531.

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

It is not a de Polignac number, because 1357434447 - 2³ = 1357434439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1357434399 and 1357434408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1357434457) 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, 9836413 + ... + 9836550.

It is an arithmetic number, because the mean of its divisors is an integer number (236075568).

Almost surely, 2^1357434447 is an apocalyptic number.

1357434447 is a deficient number, since it is larger than the sum of its proper divisors (531170097).

1357434447 is a wasteful number, since it uses less digits than its factorization.

1357434447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19672989.

The product of its digits is 564480, while the sum is 42.

The square root of 1357434447 is about 36843.3772474783. The cubic root of 1357434447 is about 1107.2345320816.

The spelling of 1357434447 in words is "one billion, three hundred fifty-seven million, four hundred thirty-four thousand, four hundred forty-seven".