1007719138 has 16 divisors (see below), whose sum is σ = 1522936800. Its totient is φ = 500082336.

The previous prime is 1007719133. The next prime is 1007719177. The reversal of 1007719138 is 8319177001.

It is a super-2 number, since 2×1007719138² = 2030995722182926088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1007719097 and 1007719106.

It is not an unprimeable number, because it can be changed into a prime (1007719133) 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, 303813 + ... + 307111.

It is an arithmetic number, because the mean of its divisors is an integer number (95183550).

Almost surely, 2^1007719138 is an apocalyptic number.

1007719138 is a deficient number, since it is larger than the sum of its proper divisors (515217662).

1007719138 is a wasteful number, since it uses less digits than its factorization.

1007719138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4401.

The product of its (nonzero) digits is 10584, while the sum is 37.

The square root of 1007719138 is about 31744.5922638802. The cubic root of 1007719138 is about 1002.5664536807.

The spelling of 1007719138 in words is "one billion, seven million, seven hundred nineteen thousand, one hundred thirty-eight".