1340532837 has 48 divisors (see below), whose sum is σ = 2269238400. Its totient is φ = 762245568.

The previous prime is 1340532833. The next prime is 1340532937. The reversal of 1340532837 is 7382350431.

1340532837 is a `hidden beast` number, since 1 + 3 + 40 + 532 + 83 + 7 = 666.

It is not a de Polignac number, because 1340532837 - 2² = 1340532833 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340532833) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 699793 + ... + 701705.

It is an arithmetic number, because the mean of its divisors is an integer number (47275800).

Almost surely, 2^1340532837 is an apocalyptic number.

It is an amenable number.

1340532837 is a deficient number, since it is larger than the sum of its proper divisors (928705563).

1340532837 is a wasteful number, since it uses less digits than its factorization.

1340532837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167 (or 2150 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 1340532837 is about 36613.2877108844. The cubic root of 1340532837 is about 1102.6198811441.

The spelling of 1340532837 in words is "one billion, three hundred forty million, five hundred thirty-two thousand, eight hundred thirty-seven".