1357161346 has 4 divisors (see below), whose sum is σ = 2035742022. Its totient is φ = 678580672.

The previous prime is 1357161329. The next prime is 1357161371. The reversal of 1357161346 is 6431617531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6431617531 = 17 ⋅378330443.

It can be written as a sum of positive squares in only one way, i.e., 693532225 + 663629121 = 26335^2 + 25761^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339290335 + ... + 339290338.

Almost surely, 2^1357161346 is an apocalyptic number.

1357161346 is a deficient number, since it is larger than the sum of its proper divisors (678580676).

1357161346 is an equidigital number, since it uses as much as digits as its factorization.

1357161346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678580675.

The product of its digits is 45360, while the sum is 37.

The square root of 1357161346 is about 36839.6708182904. The cubic root of 1357161346 is about 1107.1602725990.

Adding to 1357161346 its reverse (6431617531), we get a palindrome (7788778877).

The spelling of 1357161346 in words is "one billion, three hundred fifty-seven million, one hundred sixty-one thousand, three hundred forty-six".