1343872153 has 16 divisors (see below), whose sum is σ = 1492657936. Its totient is φ = 1201858560.

The previous prime is 1343872141. The next prime is 1343872157. The reversal of 1343872153 is 3512783431.

It can be written as a sum of positive squares in 8 ways, for example, as 249387264 + 1094484889 = 15792^2 + 33083^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1343872153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1343872157) 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, 110125 + ... + 121717.

It is an arithmetic number, because the mean of its divisors is an integer number (93291121).

It is a Poulet number, since it divides 2^1343872152-1.

Almost surely, 2^1343872153 is an apocalyptic number.

1343872153 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1343872153 is a deficient number, since it is larger than the sum of its proper divisors (148785783).

1343872153 is a wasteful number, since it uses less digits than its factorization.

1343872153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11884.

The product of its digits is 60480, while the sum is 37.

The square root of 1343872153 is about 36658.8618617654. The cubic root of 1343872153 is about 1103.5346773616.

The spelling of 1343872153 in words is "one billion, three hundred forty-three million, eight hundred seventy-two thousand, one hundred fifty-three".