1154131434 has 48 divisors (see below), whose sum is σ = 2538611712. Its totient is φ = 378895104.

The previous prime is 1154131409. The next prime is 1154131493. The reversal of 1154131434 is 4341314511.

It is a junction number, because it is equal to n+sod(n) for n = 1154131398 and 1154131407.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 571194 + ... + 573210.

It is an arithmetic number, because the mean of its divisors is an integer number (52887744).

Almost surely, 2^1154131434 is an apocalyptic number.

1154131434 is an abundant number, since it is smaller than the sum of its proper divisors (1384480278).

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

1154131434 is a wasteful number, since it uses less digits than its factorization.

1154131434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491 (or 2488 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 1154131434 is about 33972.5099749783. The cubic root of 1154131434 is about 1048.9426798838.

Adding to 1154131434 its reverse (4341314511), we get a palindrome (5495445945).

The spelling of 1154131434 in words is "one billion, one hundred fifty-four million, one hundred thirty-one thousand, four hundred thirty-four".