1343600137 has 4 divisors (see below), whose sum is σ = 1465745616. Its totient is φ = 1221454660.

The previous prime is 1343600123. The next prime is 1343600147. The reversal of 1343600137 is 7310063431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7310063431 = 11 ⋅664551221.

It is a cyclic number.

It is not a de Polignac number, because 1343600137 - 2¹¹ = 1343598089 is a prime.

It is a super-2 number, since 2×1343600137² = 3610522656292837538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1343600147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61072723 + ... + 61072744.

It is an arithmetic number, because the mean of its divisors is an integer number (366436404).

Almost surely, 2^1343600137 is an apocalyptic number.

It is an amenable number.

1343600137 is a deficient number, since it is larger than the sum of its proper divisors (122145479).

1343600137 is a wasteful number, since it uses less digits than its factorization.

1343600137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122145478.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 1343600137 is about 36655.1515751879. The cubic root of 1343600137 is about 1103.4602160760.

Adding to 1343600137 its reverse (7310063431), we get a palindrome (8653663568).

The spelling of 1343600137 in words is "one billion, three hundred forty-three million, six hundred thousand, one hundred thirty-seven".