1534640156 has 24 divisors (see below), whose sum is σ = 3074687616. Its totient is φ = 656544240.

The previous prime is 1534640147. The next prime is 1534640171. The reversal of 1534640156 is 6510464351.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32006 + ... + 63981.

It is an arithmetic number, because the mean of its divisors is an integer number (128111984).

Almost surely, 2^1534640156 is an apocalyptic number.

It is an amenable number.

1534640156 is an abundant number, since it is smaller than the sum of its proper divisors (1540047460).

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

1534640156 is a wasteful number, since it uses less digits than its factorization.

1534640156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96569 (or 96567 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 1534640156 is about 39174.4834809599. The cubic root of 1534640156 is about 1153.4590636279.

The spelling of 1534640156 in words is "one billion, five hundred thirty-four million, six hundred forty thousand, one hundred fifty-six".