1772148131 has 8 divisors (see below), whose sum is σ = 1940814960. Its totient is φ = 1608102432.

The previous prime is 1772148109. The next prime is 1772148167. The reversal of 1772148131 is 1318412771.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1772148131 - 2⁶ = 1772148067 is a prime.

It is a super-2 number, since 2×1772148131² = 6281017996413586322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1772148091 and 1772148100.

It is not an unprimeable number, because it can be changed into a prime (1772148181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1154480 + ... + 1156013.

It is an arithmetic number, because the mean of its divisors is an integer number (242601870).

Almost surely, 2^1772148131 is an apocalyptic number.

1772148131 is a deficient number, since it is larger than the sum of its proper divisors (168666829).

1772148131 is a wasteful number, since it uses less digits than its factorization.

1772148131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310565.

The product of its digits is 9408, while the sum is 35.

The square root of 1772148131 is about 42096.8898019794. The cubic root of 1772148131 is about 1210.1336580265.

The spelling of 1772148131 in words is "one billion, seven hundred seventy-two million, one hundred forty-eight thousand, one hundred thirty-one".