1351996536 has 64 divisors (see below), whose sum is σ = 3904174080. Its totient is φ = 385594880.

The previous prime is 1351996531. The next prime is 1351996537. The reversal of 1351996536 is 6356991531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351996531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146136 + ... + 155111.

It is an arithmetic number, because the mean of its divisors is an integer number (61002720).

Almost surely, 2^1351996536 is an apocalyptic number.

It is an amenable number.

1351996536 is an abundant number, since it is smaller than the sum of its proper divisors (2552177544).

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

1351996536 is a wasteful number, since it uses less digits than its factorization.

1351996536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301284 (or 301280 counting only the distinct ones).

The product of its digits is 656100, while the sum is 48.

The square root of 1351996536 is about 36769.5055174801. The cubic root of 1351996536 is about 1105.7540183722.

The spelling of 1351996536 in words is "one billion, three hundred fifty-one million, nine hundred ninety-six thousand, five hundred thirty-six".