1357212426 has 16 divisors (see below), whose sum is σ = 2801987328. Its totient is φ = 437810400.

The previous prime is 1357212421. The next prime is 1357212433. The reversal of 1357212426 is 6242127531.

It is not an unprimeable number, because it can be changed into a prime (1357212421) 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, 3648235 + ... + 3648606.

It is an arithmetic number, because the mean of its divisors is an integer number (175124208).

Almost surely, 2^1357212426 is an apocalyptic number.

1357212426 is an abundant number, since it is smaller than the sum of its proper divisors (1444774902).

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

1357212426 is a wasteful number, since it uses less digits than its factorization.

1357212426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7296877.

The product of its digits is 20160, while the sum is 33.

The square root of 1357212426 is about 36840.3640861488. The cubic root of 1357212426 is about 1107.1741626294.

Adding to 1357212426 its reverse (6242127531), we get a palindrome (7599339957).

The spelling of 1357212426 in words is "one billion, three hundred fifty-seven million, two hundred twelve thousand, four hundred twenty-six".