1520253534134 has 8 divisors (see below), whose sum is σ = 2286593872608. Its totient is φ = 758055576600.

The previous prime is 1520253534091. The next prime is 1520253534139. The reversal of 1520253534134 is 4314353520251.

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

It is a super-2 number, since 2×1520253534134² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1520253534139) 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, 1035594317 + ... + 1035595784.

It is an arithmetic number, because the mean of its divisors is an integer number (285824234076).

Almost surely, 2^{1520253534134} is an apocalyptic number.

1520253534134 is a deficient number, since it is larger than the sum of its proper divisors (766340338474).

1520253534134 is a wasteful number, since it uses less digits than its factorization.

1520253534134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071190470.

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 1520253534134 in words is "one trillion, five hundred twenty billion, two hundred fifty-three million, five hundred thirty-four thousand, one hundred thirty-four".