1349154450 has 72 divisors (see below), whose sum is σ = 4142556288. Its totient is φ = 308377440.

The previous prime is 1349154431. The next prime is 1349154463. The reversal of 1349154450 is 544519431.

It is a happy number.

1349154450 is a `hidden beast` number, since 13 + 49 + 154 + 450 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 211002 + ... + 217301.

It is an arithmetic number, because the mean of its divisors is an integer number (57535504).

Almost surely, 2^1349154450 is an apocalyptic number.

1349154450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1349154450 is an abundant number, since it is smaller than the sum of its proper divisors (2793401838).

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

1349154450 is a wasteful number, since it uses less digits than its factorization.

1349154450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428328 (or 428320 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 1349154450 is about 36730.8378613938. The cubic root of 1349154450 is about 1104.9786582284.

The spelling of 1349154450 in words is "one billion, three hundred forty-nine million, one hundred fifty-four thousand, four hundred fifty".