1343400144 has 40 divisors (see below), whose sum is σ = 3564251040. Its totient is φ = 435696768.

The previous prime is 1343400139. The next prime is 1343400167. The reversal of 1343400144 is 4410043431.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376434 + ... + 379985.

It is an arithmetic number, because the mean of its divisors is an integer number (89106276).

Almost surely, 2^1343400144 is an apocalyptic number.

It is an amenable number.

1343400144 is an abundant number, since it is smaller than the sum of its proper divisors (2220850896).

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

1343400144 is a wasteful number, since it uses less digits than its factorization.

1343400144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756467 (or 756461 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1343400144 is about 36652.4234396581. The cubic root of 1343400144 is about 1103.4054638564.

Adding to 1343400144 its reverse (4410043431), we get a palindrome (5753443575).

The spelling of 1343400144 in words is "one billion, three hundred forty-three million, four hundred thousand, one hundred forty-four".