357134126449 has 27 divisors (see below), whose sum is σ = 383168388729. Its totient is φ = 332819290440.

The previous prime is 357134126431. The next prime is 357134126477. The reversal of 357134126449 is 944621431753.

It is a happy number.

The square root of 357134126449 is 597607.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 357134126449 - 2²¹ = 357132029297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (357134126429) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 806171622 + ... + 806172064.

Almost surely, 2^357134126449 is an apocalyptic number.

357134126449 is the 597607-th square number.

357134126449 is the 298804-th centered octagonal number.

It is an amenable number.

357134126449 is a deficient number, since it is larger than the sum of its proper divisors (26034262280).

357134126449 is an frugal number, since it uses more digits than its factorization.

357134126449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066 (or 533 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 49.

Multiplying 357134126449 by its sum of digits (49), we get a square (17499572196001 = 4183249²).

The spelling of 357134126449 in words is "three hundred fifty-seven billion, one hundred thirty-four million, one hundred twenty-six thousand, four hundred forty-nine".