1342140734 has 16 divisors (see below), whose sum is σ = 2311822080. Its totient is φ = 577955160.

The previous prime is 1342140733. The next prime is 1342140739. The reversal of 1342140734 is 4370412431.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1342140697 and 1342140706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342140731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1605014 + ... + 1605849.

It is an arithmetic number, because the mean of its divisors is an integer number (144488880).

Almost surely, 2^1342140734 is an apocalyptic number.

1342140734 is a deficient number, since it is larger than the sum of its proper divisors (969681346).

1342140734 is a wasteful number, since it uses less digits than its factorization.

1342140734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3210895.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 1342140734 is about 36635.2389646908. The cubic root of 1342140734 is about 1103.0605494091.

The spelling of 1342140734 in words is "one billion, three hundred forty-two million, one hundred forty thousand, seven hundred thirty-four".