1349154432 has 192 divisors, whose sum is σ = 4167352800. Its totient is φ = 417650688.

The previous prime is 1349154431. The next prime is 1349154463. The reversal of 1349154432 is 2344519431.

1349154432 is a `hidden beast` number, since 134 + 91 + 5 + 4 + 432 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1349154431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1159483 + ... + 1160645.

Almost surely, 2^1349154432 is an apocalyptic number.

1349154432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1349154432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2083676400).

1349154432 is an abundant number, since it is smaller than the sum of its proper divisors (2818198368).

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

1349154432 is a wasteful number, since it uses less digits than its factorization.

1349154432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255 (or 1240 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 1349154432 is about 36730.8376163681. The cubic root of 1349154432 is about 1104.9786533143.

The spelling of 1349154432 in words is "one billion, three hundred forty-nine million, one hundred fifty-four thousand, four hundred thirty-two".