7142651830 has 64 divisors (see below), whose sum is σ = 13899755520. Its totient is φ = 2632896000.

The previous prime is 7142651827. The next prime is 7142651839. The reversal of 7142651830 is 381562417.

It is a self number, because there is not a number n which added to its sum of digits gives 7142651830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7142651839) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1820611 + ... + 1824529.

It is an arithmetic number, because the mean of its divisors is an integer number (217183680).

Almost surely, 2^7142651830 is an apocalyptic number.

7142651830 is a deficient number, since it is larger than the sum of its proper divisors (6757103690).

7142651830 is a wasteful number, since it uses less digits than its factorization.

7142651830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4165.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 7142651830 is about 84514.2108168798. The cubic root of 7142651830 is about 1925.8383332300.

It can be divided in two parts, 71426 and 51830, that added together give a triangular number (123256 = T₄₉₆).

The spelling of 7142651830 in words is "seven billion, one hundred forty-two million, six hundred fifty-one thousand, eight hundred thirty".