1345002131 has 8 divisors (see below), whose sum is σ = 1475383728. Its totient is φ = 1215972000.

The previous prime is 1345002103. The next prime is 1345002179. The reversal of 1345002131 is 1312005431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1345002131 - 2¹⁸ = 1344739987 is a prime.

It is a super-2 number, since 2×1345002131² = 3618061464789082322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1345002101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335780 + ... + 339761.

It is an arithmetic number, because the mean of its divisors is an integer number (184422966).

Almost surely, 2^1345002131 is an apocalyptic number.

1345002131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1345002131 is a deficient number, since it is larger than the sum of its proper divisors (130381597).

1345002131 is a wasteful number, since it uses less digits than its factorization.

1345002131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675733.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1345002131 is about 36674.2706948618. The cubic root of 1345002131 is about 1103.8438884643.

Adding to 1345002131 its reverse (1312005431), we get a palindrome (2657007562).

It can be divided in two parts, 134500 and 2131, that added together give a palindrome (136631).

The spelling of 1345002131 in words is "one billion, three hundred forty-five million, two thousand, one hundred thirty-one".