1353431774 has 4 divisors (see below), whose sum is σ = 2030147664. Its totient is φ = 676715886.

The previous prime is 1353431767. The next prime is 1353431789. The reversal of 1353431774 is 4771343531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4771343531 = 607 ⋅7860533.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338357942 + ... + 338357945.

It is an arithmetic number, because the mean of its divisors is an integer number (507536916).

Almost surely, 2^1353431774 is an apocalyptic number.

1353431774 is a deficient number, since it is larger than the sum of its proper divisors (676715890).

1353431774 is an equidigital number, since it uses as much as digits as its factorization.

1353431774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676715889.

The product of its digits is 105840, while the sum is 38.

The square root of 1353431774 is about 36789.0170295429. The cubic root of 1353431774 is about 1106.1451581662.

The spelling of 1353431774 in words is "one billion, three hundred fifty-three million, four hundred thirty-one thousand, seven hundred seventy-four".