1340534152 has 8 divisors (see below), whose sum is σ = 2513501550. Its totient is φ = 670267072.

The previous prime is 1340534137. The next prime is 1340534179. The reversal of 1340534152 is 2514350431.

It can be written as a sum of positive squares in only one way, i.e., 1193978916 + 146555236 = 34554^2 + 12106^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1340534152.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83783377 + ... + 83783392.

Almost surely, 2^1340534152 is an apocalyptic number.

It is an amenable number.

1340534152 is a deficient number, since it is larger than the sum of its proper divisors (1172967398).

1340534152 is a wasteful number, since it uses less digits than its factorization.

1340534152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167566775 (or 167566771 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1340534152 is about 36613.3056688412. The cubic root of 1340534152 is about 1102.6202416834.

Adding to 1340534152 its reverse (2514350431), we get a palindrome (3854884583).

The spelling of 1340534152 in words is "one billion, three hundred forty million, five hundred thirty-four thousand, one hundred fifty-two".