1392432133 has 2 divisors, whose sum is σ = 1392432134. Its totient is φ = 1392432132.

The previous prime is 1392432127. The next prime is 1392432161. The reversal of 1392432133 is 3312342931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1324814404 + 67617729 = 36398^2 + 8223^2 .

It is an emirp because it is prime and its reverse (3312342931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1392432133 - 2⁵ = 1392432101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1392432095 and 1392432104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1392432533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 696216066 + 696216067.

It is an arithmetic number, because the mean of its divisors is an integer number (696216067).

Almost surely, 2^1392432133 is an apocalyptic number.

It is an amenable number.

1392432133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1392432133 is an equidigital number, since it uses as much as digits as its factorization.

1392432133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 31.

The square root of 1392432133 is about 37315.3069530454. The cubic root of 1392432133 is about 1116.6695635280.

It can be divided in two parts, 139243 and 2133, that added together give a square (141376 = 376²).

The spelling of 1392432133 in words is "one billion, three hundred ninety-two million, four hundred thirty-two thousand, one hundred thirty-three".