1351126142631 has 24 divisors (see below), whose sum is σ = 2036565498240. Its totient is φ = 861551505936.

The previous prime is 1351126142629. The next prime is 1351126142633. The reversal of 1351126142631 is 1362416211531.

1351126142631 is a `hidden beast` number, since 1 + 3 + 5 + 1 + 1 + 2 + 6 + 14 + 2 + 631 = 666.

It is an interprime number because it is at equal distance from previous prime (1351126142629) and next prime (1351126142633).

It is not a de Polignac number, because 1351126142631 - 2¹ = 1351126142629 is a prime.

It is a super-2 number, since 2×1351126142631² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351126142633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5329960 + ... + 5577698.

It is an arithmetic number, because the mean of its divisors is an integer number (84856895760).

Almost surely, 2^{1351126142631} is an apocalyptic number.

1351126142631 is a deficient number, since it is larger than the sum of its proper divisors (685439355609).

1351126142631 is a wasteful number, since it uses less digits than its factorization.

1351126142631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274115 (or 274112 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The spelling of 1351126142631 in words is "one trillion, three hundred fifty-one billion, one hundred twenty-six million, one hundred forty-two thousand, six hundred thirty-one".