1425188374 has 4 divisors (see below), whose sum is σ = 2137782564. Its totient is φ = 712594186.

The previous prime is 1425188363. The next prime is 1425188377. The reversal of 1425188374 is 4738815241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4738815241 = 191 ⋅24810551.

It is a self number, because there is not a number n which added to its sum of digits gives 1425188374.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425188377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356297092 + ... + 356297095.

It is an arithmetic number, because the mean of its divisors is an integer number (534445641).

Almost surely, 2^1425188374 is an apocalyptic number.

1425188374 is a deficient number, since it is larger than the sum of its proper divisors (712594190).

1425188374 is an equidigital number, since it uses as much as digits as its factorization.

1425188374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712594189.

The product of its digits is 215040, while the sum is 43.

The square root of 1425188374 is about 37751.6671684841. The cubic root of 1425188374 is about 1125.3581408553.

The spelling of 1425188374 in words is "one billion, four hundred twenty-five million, one hundred eighty-eight thousand, three hundred seventy-four".