1357434 has 24 divisors (see below), whose sum is σ = 3167892. Its totient is φ = 417600.

The previous prime is 1357429. The next prime is 1357453. The reversal of 1357434 is 4347531.

1357434 = T₂₀₂ + T₂₀₃ + ... + T₂₅₃.

It can be written as a sum of positive squares in 2 ways, for example, as 1334025 + 23409 = 1155^2 + 153^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1357398 and 1357407.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2667 + ... + 3134.

2^1357434 is an apocalyptic number.

1357434 is an abundant number, since it is smaller than the sum of its proper divisors (1810458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1357434 is a wasteful number, since it uses less digits than its factorization.

1357434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5822 (or 5819 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 1357434 is about 1165.0896961179. The cubic root of 1357434 is about 110.7234410545.

It can be divided in two parts, 135 and 7434, that added together give a square (7569 = 87²).

The spelling of 1357434 in words is "one million, three hundred fifty-seven thousand, four hundred thirty-four".