1394425037 has 4 divisors (see below), whose sum is σ = 1396267836. Its totient is φ = 1392582240.

The previous prime is 1394425013. The next prime is 1394425063. The reversal of 1394425037 is 7305244931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7305244931 = 43 ⋅169889417.

It can be written as a sum of positive squares in 2 ways, for example, as 288796036 + 1105629001 = 16994^2 + 33251^2 .

It is a cyclic number.

It is not a de Polignac number, because 1394425037 - 2¹² = 1394420941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394421037) 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 in 3 ways as a sum of consecutive naturals, for example, 920264 + ... + 921777.

It is an arithmetic number, because the mean of its divisors is an integer number (349066959).

Almost surely, 2^1394425037 is an apocalyptic number.

It is an amenable number.

1394425037 is a deficient number, since it is larger than the sum of its proper divisors (1842799).

1394425037 is an equidigital number, since it uses as much as digits as its factorization.

1394425037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842798.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 1394425037 is about 37342.0009774517. Note that the first 3 decimals coincide. The cubic root of 1394425037 is about 1117.2020501342.

Adding to 1394425037 its reverse (7305244931), we get a palindrome (8699669968).

The spelling of 1394425037 in words is "one billion, three hundred ninety-four million, four hundred twenty-five thousand, thirty-seven".