237400072133 has 16 divisors (see below), whose sum is σ = 280456151040. Its totient is φ = 196647706800.

The previous prime is 237400072127. The next prime is 237400072157. The reversal of 237400072133 is 331270004732.

It is a cyclic number.

It is not a de Polignac number, because 237400072133 - 2¹⁰ = 237400071109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 237400072133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (237400072163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 604763 + ... + 916808.

It is an arithmetic number, because the mean of its divisors is an integer number (17528509440).

Almost surely, 2^237400072133 is an apocalyptic number.

It is an amenable number.

237400072133 is a deficient number, since it is larger than the sum of its proper divisors (43056078907).

237400072133 is a wasteful number, since it uses less digits than its factorization.

237400072133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522328.

The product of its (nonzero) digits is 21168, while the sum is 32.

Adding to 237400072133 its reverse (331270004732), we get a palindrome (568670076865).

The spelling of 237400072133 in words is "two hundred thirty-seven billion, four hundred million, seventy-two thousand, one hundred thirty-three".