1402512542 has 4 divisors (see below), whose sum is σ = 2103768816. Its totient is φ = 701256270.

The previous prime is 1402512539. The next prime is 1402512577. The reversal of 1402512542 is 2452152041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2452152041 = 59 ⋅41561899.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350628134 + ... + 350628137.

It is an arithmetic number, because the mean of its divisors is an integer number (525942204).

Almost surely, 2^1402512542 is an apocalyptic number.

1402512542 is a deficient number, since it is larger than the sum of its proper divisors (701256274).

1402512542 is an equidigital number, since it uses as much as digits as its factorization.

1402512542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701256273.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1402512542 is about 37450.1340718561. The cubic root of 1402512542 is about 1119.3577690256.

Adding to 1402512542 its reverse (2452152041), we get a palindrome (3854664583).

The spelling of 1402512542 in words is "one billion, four hundred two million, five hundred twelve thousand, five hundred forty-two".