361557133 has 12 divisors (see below), whose sum is σ = 427718880. Its totient is φ = 304651032.

The previous prime is 361557113. The next prime is 361557143. The reversal of 361557133 is 331755163.

It is not a de Polignac number, because 361557133 - 2¹⁷ = 361426061 is a prime.

It is a super-4 number, since 4×361557133⁴ (a number of 35 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361557103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59641 + ... + 65422.

It is an arithmetic number, because the mean of its divisors is an integer number (35643240).

Almost surely, 2^361557133 is an apocalyptic number.

It is an amenable number.

361557133 is a deficient number, since it is larger than the sum of its proper divisors (66161747).

361557133 is a wasteful number, since it uses less digits than its factorization.

361557133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125136 (or 125129 counting only the distinct ones).

The product of its digits is 28350, while the sum is 34.

The square root of 361557133 is about 19014.6557423478. The cubic root of 361557133 is about 712.4028441651.

The spelling of 361557133 in words is "three hundred sixty-one million, five hundred fifty-seven thousand, one hundred thirty-three".