372240137 has 2 divisors, whose sum is σ = 372240138. Its totient is φ = 372240136.

The previous prime is 372240133. The next prime is 372240163. The reversal of 372240137 is 731042273.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 349353481 + 22886656 = 18691^2 + 4784^2 .

It is a cyclic number.

It is not a de Polignac number, because 372240137 - 2² = 372240133 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (372240133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186120068 + 186120069.

It is an arithmetic number, because the mean of its divisors is an integer number (186120069).

Almost surely, 2^372240137 is an apocalyptic number.

It is an amenable number.

372240137 is a deficient number, since it is larger than the sum of its proper divisors (1).

372240137 is an equidigital number, since it uses as much as digits as its factorization.

372240137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 372240137 is about 19293.5257793903. The cubic root of 372240137 is about 719.3513557587.

The spelling of 372240137 in words is "three hundred seventy-two million, two hundred forty thousand, one hundred thirty-seven".