1342642551 has 8 divisors (see below), whose sum is σ = 1851920880. Its totient is φ = 864229632.

The previous prime is 1342642537. The next prime is 1342642633. The reversal of 1342642551 is 1552462431.

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

It is not a de Polignac number, because 1342642551 - 2⁹ = 1342642039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342642151) 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, 7716250 + ... + 7716423.

It is an arithmetic number, because the mean of its divisors is an integer number (231490110).

Almost surely, 2^1342642551 is an apocalyptic number.

1342642551 is a deficient number, since it is larger than the sum of its proper divisors (509278329).

1342642551 is a wasteful number, since it uses less digits than its factorization.

1342642551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15432705.

The product of its digits is 28800, while the sum is 33.

The square root of 1342642551 is about 36642.0871539818. The cubic root of 1342642551 is about 1103.1980078113.

The spelling of 1342642551 in words is "one billion, three hundred forty-two million, six hundred forty-two thousand, five hundred fifty-one".