1534220961542 has 8 divisors (see below), whose sum is σ = 2304176106600. Its totient is φ = 766162259344.

The previous prime is 1534220961509. The next prime is 1534220961583. The reversal of 1534220961542 is 2451690224351.

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

It is a junction number, because it is equal to n+sod(n) for n = 1534220961493 and 1534220961502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 474108692 + ... + 474111927.

It is an arithmetic number, because the mean of its divisors is an integer number (288022013325).

Almost surely, 2^{1534220961542} is an apocalyptic number.

1534220961542 is a deficient number, since it is larger than the sum of its proper divisors (769955145058).

1534220961542 is an equidigital number, since it uses as much as digits as its factorization.

1534220961542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948221430.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 1534220961542 in words is "one trillion, five hundred thirty-four billion, two hundred twenty million, nine hundred sixty-one thousand, five hundred forty-two".