1493526156 has 12 divisors (see below), whose sum is σ = 3484894392. Its totient is φ = 497842048.

The previous prime is 1493526149. The next prime is 1493526161. The reversal of 1493526156 is 6516253941.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1493526156² = 4461240757312272672, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62230245 + ... + 62230268.

It is an arithmetic number, because the mean of its divisors is an integer number (290407866).

Almost surely, 2^1493526156 is an apocalyptic number.

It is an amenable number.

1493526156 is an abundant number, since it is smaller than the sum of its proper divisors (1991368236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1493526156 is a wasteful number, since it uses less digits than its factorization.

1493526156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124460520 (or 124460518 counting only the distinct ones).

The product of its digits is 194400, while the sum is 42.

The square root of 1493526156 is about 38646.1661229157. The cubic root of 1493526156 is about 1143.0650451445.

The spelling of 1493526156 in words is "one billion, four hundred ninety-three million, five hundred twenty-six thousand, one hundred fifty-six".