253074669142154 has 4 divisors (see below), whose sum is σ = 379612003713234. Its totient is φ = 126537334571076.

The previous prime is 253074669142129. The next prime is 253074669142193. The reversal of 253074669142154 is 451241966470352.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 159234239628025 + 93840429514129 = 12618805^2 + 9687127^2 .

It is a super-2 number, since 2×253074669142154² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 253074669142093 and 253074669142102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63268667285537 + ... + 63268667285540.

Almost surely, 2^{253074669142154} is an apocalyptic number.

253074669142154 is a deficient number, since it is larger than the sum of its proper divisors (126537334571080).

253074669142154 is a wasteful number, since it uses less digits than its factorization.

253074669142154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126537334571079.

The product of its (nonzero) digits is 43545600, while the sum is 59.

The spelling of 253074669142154 in words is "two hundred fifty-three trillion, seventy-four billion, six hundred sixty-nine million, one hundred forty-two thousand, one hundred fifty-four".