1372144937 has 2 divisors, whose sum is σ = 1372144938. Its totient is φ = 1372144936.

The previous prime is 1372144933. The next prime is 1372144967. The reversal of 1372144937 is 7394412731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1168340761 + 203804176 = 34181^2 + 14276^2 .

It is an emirp because it is prime and its reverse (7394412731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1372144937 - 2² = 1372144933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1372144894 and 1372144903.

It is not a weakly prime, because it can be changed into another prime (1372144933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686072468 + 686072469.

It is an arithmetic number, because the mean of its divisors is an integer number (686072469).

Almost surely, 2^1372144937 is an apocalyptic number.

It is an amenable number.

1372144937 is a deficient number, since it is larger than the sum of its proper divisors (1).

1372144937 is an equidigital number, since it uses as much as digits as its factorization.

1372144937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 41.

The square root of 1372144937 is about 37042.4747688380. The cubic root of 1372144937 is about 1111.2198630861.

The spelling of 1372144937 in words is "one billion, three hundred seventy-two million, one hundred forty-four thousand, nine hundred thirty-seven".