1343436987 has 16 divisors (see below), whose sum is σ = 1850485760. Its totient is φ = 866052000.

The previous prime is 1343436979. The next prime is 1343436989. The reversal of 1343436987 is 7896343431.

It is not a de Polignac number, because 1343436987 - 2³ = 1343436979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1343436989) 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, 130737 + ... + 140637.

It is an arithmetic number, because the mean of its divisors is an integer number (115655360).

Almost surely, 2^1343436987 is an apocalyptic number.

1343436987 is a deficient number, since it is larger than the sum of its proper divisors (507048773).

1343436987 is a wasteful number, since it uses less digits than its factorization.

1343436987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11394.

The product of its digits is 1306368, while the sum is 48.

The square root of 1343436987 is about 36652.9260359934. The cubic root of 1343436987 is about 1103.4155507979.

The spelling of 1343436987 in words is "one billion, three hundred forty-three million, four hundred thirty-six thousand, nine hundred eighty-seven".