1349154452 has 12 divisors (see below), whose sum is σ = 2374065876. Its totient is φ = 670849920.

The previous prime is 1349154431. The next prime is 1349154463. The reversal of 1349154452 is 2544519431.

It can be written as a sum of positive squares in 2 ways, for example, as 378458116 + 970696336 = 19454^2 + 31156^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 931013 + ... + 932460.

It is an arithmetic number, because the mean of its divisors is an integer number (197838823).

Almost surely, 2^1349154452 is an apocalyptic number.

It is an amenable number.

1349154452 is a deficient number, since it is larger than the sum of its proper divisors (1024911424).

1349154452 is a wasteful number, since it uses less digits than its factorization.

1349154452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1863658 (or 1863656 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The square root of 1349154452 is about 36730.8378886189. The cubic root of 1349154452 is about 1104.9786587744.

The spelling of 1349154452 in words is "one billion, three hundred forty-nine million, one hundred fifty-four thousand, four hundred fifty-two".