1342140131 has 4 divisors (see below), whose sum is σ = 1370696352. Its totient is φ = 1313583912.

The previous prime is 1342140127. The next prime is 1342140139. The reversal of 1342140131 is 1310412431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1310412431 = 61 ⋅21482171.

It is a cyclic number.

It is not a de Polignac number, because 1342140131 - 2² = 1342140127 is a prime.

It is a super-2 number, since 2×1342140131² = 3602680262481394322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1342140139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14278040 + ... + 14278133.

It is an arithmetic number, because the mean of its divisors is an integer number (342674088).

Almost surely, 2^1342140131 is an apocalyptic number.

1342140131 is a deficient number, since it is larger than the sum of its proper divisors (28556221).

1342140131 is an equidigital number, since it uses as much as digits as its factorization.

1342140131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28556220.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1342140131 is about 36635.2307349087. The cubic root of 1342140131 is about 1103.0603842139.

Adding to 1342140131 its reverse (1310412431), we get a palindrome (2652552562).

The spelling of 1342140131 in words is "one billion, three hundred forty-two million, one hundred forty thousand, one hundred thirty-one".