353140426 has 4 divisors (see below), whose sum is σ = 529710642. Its totient is φ = 176570212.

The previous prime is 353140409. The next prime is 353140471. The reversal of 353140426 is 624041353.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 277189201 + 75951225 = 16649^2 + 8715^2 .

It is a super-2 number, since 2×353140426² = 249416320950922952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 353140394 and 353140403.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88285105 + ... + 88285108.

Almost surely, 2^353140426 is an apocalyptic number.

353140426 is a deficient number, since it is larger than the sum of its proper divisors (176570216).

353140426 is a wasteful number, since it uses less digits than its factorization.

353140426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176570215.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 353140426 is about 18792.0309173862. The cubic root of 353140426 is about 706.8313641971.

Adding to 353140426 its reverse (624041353), we get a palindrome (977181779).

The spelling of 353140426 in words is "three hundred fifty-three million, one hundred forty thousand, four hundred twenty-six".