1340151542 has 8 divisors (see below), whose sum is σ = 2024689800. Its totient is φ = 665254944.

The previous prime is 1340151541. The next prime is 1340151551. The reversal of 1340151542 is 2451510431.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340151541) 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, 2410067 + ... + 2410622.

It is an arithmetic number, because the mean of its divisors is an integer number (253086225).

Almost surely, 2^1340151542 is an apocalyptic number.

1340151542 is a deficient number, since it is larger than the sum of its proper divisors (684538258).

1340151542 is a wasteful number, since it uses less digits than its factorization.

1340151542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4820830.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1340151542 is about 36608.0802829102. The cubic root of 1340151542 is about 1102.5153298534.

Adding to 1340151542 its reverse (2451510431), we get a palindrome (3791661973).

The spelling of 1340151542 in words is "one billion, three hundred forty million, one hundred fifty-one thousand, five hundred forty-two".