1354137861 has 16 divisors (see below), whose sum is σ = 1881230400. Its totient is φ = 865350528.

The previous prime is 1354137793. The next prime is 1354137893. The reversal of 1354137861 is 1687314531.

It is not a de Polignac number, because 1354137861 - 2¹¹ = 1354135813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1354137461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43896 + ... + 68081.

It is an arithmetic number, because the mean of its divisors is an integer number (117576900).

Almost surely, 2^1354137861 is an apocalyptic number.

It is an amenable number.

1354137861 is a deficient number, since it is larger than the sum of its proper divisors (527092539).

1354137861 is a wasteful number, since it uses less digits than its factorization.

1354137861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112148.

The product of its digits is 60480, while the sum is 39.

The square root of 1354137861 is about 36798.6122156801. The cubic root of 1354137861 is about 1106.3374838153.

The spelling of 1354137861 in words is "one billion, three hundred fifty-four million, one hundred thirty-seven thousand, eight hundred sixty-one".