1351487144 has 32 divisors (see below), whose sum is σ = 2904384000. Its totient is φ = 577540800.

The previous prime is 1351487143. The next prime is 1351487167. The reversal of 1351487144 is 4417841531.

It is a junction number, because it is equal to n+sod(n) for n = 1351487098 and 1351487107.

It is not an unprimeable number, because it can be changed into a prime (1351487143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15032 + ... + 54119.

It is an arithmetic number, because the mean of its divisors is an integer number (90762000).

Almost surely, 2^1351487144 is an apocalyptic number.

1351487144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1351487144 is an abundant number, since it is smaller than the sum of its proper divisors (1552896856).

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

1351487144 is a wasteful number, since it uses less digits than its factorization.

1351487144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69513 (or 69509 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 1351487144 is about 36762.5780379995. The cubic root of 1351487144 is about 1105.6151292082.

The spelling of 1351487144 in words is "one billion, three hundred fifty-one million, four hundred eighty-seven thousand, one hundred forty-four".