1351244142 has 12 divisors (see below), whose sum is σ = 2927695680. Its totient is φ = 450414708.

The previous prime is 1351244131. The next prime is 1351244149. The reversal of 1351244142 is 2414421531.

1351244142 is a `hidden beast` number, since 1 + 3 + 512 + 4 + 4 + 142 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351244149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37534542 + ... + 37534577.

It is an arithmetic number, because the mean of its divisors is an integer number (243974640).

Almost surely, 2^1351244142 is an apocalyptic number.

1351244142 is an abundant number, since it is smaller than the sum of its proper divisors (1576451538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1351244142 is a wasteful number, since it uses less digits than its factorization.

1351244142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75069127 (or 75069124 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 1351244142 is about 36759.2728709369. The cubic root of 1351244142 is about 1105.5488607787.

Adding to 1351244142 its reverse (2414421531), we get a palindrome (3765665673).

The spelling of 1351244142 in words is "one billion, three hundred fifty-one million, two hundred forty-four thousand, one hundred forty-two".