1255357721134 has 32 divisors (see below), whose sum is σ = 2069428083840. Its totient is φ = 566408224800.

The previous prime is 1255357721131. The next prime is 1255357721141. The reversal of 1255357721134 is 4311277535521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255357721131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1291177 + ... + 2043979.

It is an arithmetic number, because the mean of its divisors is an integer number (64669627620).

Almost surely, 2^{1255357721134} is an apocalyptic number.

1255357721134 is a deficient number, since it is larger than the sum of its proper divisors (814070362706).

1255357721134 is a wasteful number, since it uses less digits than its factorization.

1255357721134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753376.

The product of its digits is 882000, while the sum is 46.

The spelling of 1255357721134 in words is "one trillion, two hundred fifty-five billion, three hundred fifty-seven million, seven hundred twenty-one thousand, one hundred thirty-four".